Effects of War on the Fuel and Car Market Equilibrium with the Aid of a Diagram

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>> TheMarket Strikes BackB I G C I T Y, N O T – S O – B R I G H T I D E A SNEW YORK CITY IS A PLACE WHERE YOUgiven permission.

Rent control was introduced during World War II to protect the interests of tenants, and it still remains in force. Many other American cities have had rent control at one time or another, but with the notable exceptions of New York and San Francisco, these controls have largely been done away with. Similarly, New York??™s limited supply of taxis is the result of a licensing system introduced in the 1930s. New York taxi licenses are known as ???medallions,??? and only taxis with medallions are allowed to pick up passengers. And although thiscan find almost anything??”that is, almost anything, except a taxicabwhen you need one or a decent apartment at a rent you can afford. You might think that New York??™s notorious shortages of cabs and apartments are the inevitable price of big-city living. However, they are largely the product of government policies??”specifically, of government policies that have, one way or another, tried to prevail over the market forces of supply and demand.

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In the previous chapter, we learned the principle that a market moves to equilibrium??” that the market price rises or falls to the level at which the quantity of a good that people are willing to supply is equal to the quantity that other people want to buy. But sometimes governments try to defy that princi-What you will learn in this chapter:?The meaning of price controls and quantity controls, two kinds of government intervention in markets How price and quantity controls create problems and make a market inefficient Why economists are often deeply skeptical of attempts to intervene in markets Who benefits and who loses from market interventions, and why they are used despite their wellknown problems What an excise tax is and why its effect is similar to a quantity control Why the deadweight loss of a tax means that its true cost is more than the amount of tax revenue collected??ple. When they do, the market strikes back in predictable ways.

And our ability to predict what will happen when governments try to defy supply and demand shows the power and usefulness of supply and demand analysis itself. The shortages of apartments and taxicabs in New York are particular examples that illuminate what happens when the logic of the market is defied. New York??™s housing shortage is the result of rent control, a law that prevents landlords from raising rents except when specificallyNew York City: An empty taxi is hard to find.PNI Ltd.

/Picture Quest??system was originally intended to protect the interests of both drivers and customers, it has generated a shortage of taxis in the city. The number of medallions remained fixed from 1937 until 1995, and only a handful of additional licenses have been issued since then.?chapter473 74PA R T 1W H AT I S E C O N O M I C S UNCORRECTED Preliminary EditionIn this chapter, we begin by examining what happens when governments try to control prices in a competitive market, keeping the price in a market either below its equilibrium level??”a price ceiling such asrent control??”or above it??”a price floor. We then turn to schemes such as taxi medallions that attempt to dictate the quantity of a good bought or sold.

Finally, we consider the effects of taxes on sales or purchases.Why Governments Control PricesYou learned in Chapter 3 that a market moves to equilibrium??”that is, the market price moves to the level at which the quantity supplied equals the quantity demanded. But this equilibrium price does not necessarily please either buyers or sellers. After all, buyers would always like to pay less if they could, and sometimes they can make a strong moral or political case that they should pay lower prices.

For example, what if the equilibrium between supply and demand for apartments in a major city leads to rental rates that an average working person can??™t afford In that case, a government might well be under pressure to impose limits on the rents landlords can charge. Sellers, however, would always like to get more money for what they sell, and sometimes they can make a strong moral or political case that they should receive higher prices. For example, consider the labor market: the price for an hour of a worker??™s time is the wage rate. What if the equilibrium between supply and demand for less-skilled workers leads to wage rates that are below the poverty level In that case, a government might well find itself pressured to require employers to pay a rate no lower than some specified minimum wage.

In other words, there is often a strong political demand for governments to intervene in markets. When a government intervenes to regulate prices, we say that it imposes price controls. These controls typically take the form either of an upper limit, a price ceiling, or a lower limit, a price floor. Unfortunately, it??™s not that easy to tell a market what to do. As we will now see, when a government tries to legislate prices??”whether it legislates them down by imposing a price ceiling or up by imposing a price floor??”there are certain predictable and unpleasant side effects. We should note an important caveat here: our analysis in this chapter considers only what happens when price controls are imposed on competitive markets, which, as you should recall from Chapter 3, are markets with many buyers and sellers in which no buyer or seller can have any influence on the price. When markets are not competitive??”as in a monopoly, where there is only one seller??”price controls don??™t necessarily cause the same problems.

In practice, however, price controls often are imposed on competitive markets??”like the New York apartment market. And so the analysis in this chapter applies to many important real-world situations.Price controls are legal restrictions on how high or low a market price may go.

They can take two forms: a price ceiling, a maximum price sellers are allowed to charge for a good, or a price floor, a minimum price buyers are required to pay for a good.Price CeilingsAside from rent control, there are not many price ceilings in the United States today. But at times they have been widespread. Price ceilings are typically imposed during crises??”wars, harvest failures, natural disasters??”because these events often lead to sudden price increases that hurt many people but produce big gains for a lucky few. The U.S. government imposed ceilings on many prices during World War II: the war sharply increased demand for raw materials, such as aluminum and steel, and price controls prevented those with access to these raw materials from earning huge profits. Price controls on oil were imposed in 1973, when an embargo by Arab oilexporting countries seemed likely to generate huge profits for U.

S. oil companies. (See UNCORRECTED Preliminary EditionCHAPTER 4THE MARKET STRIKES BACK75Economics in Action on page 79.

) Price controls were imposed on California??™s wholesale electricity market in 2001, when a shortage was creating big profits for a few power-generating companies but leading to higher bills for consumers. Rent control in New York is, believe it or not, a legacy of World War II: it was imposed because the war produced an economic boom, which increased demand for apartments at a time when the labor and raw materials that might have been used to build them were being used to win the war instead. Although most price controls were removed soon after the war ended, New York??™s rent limits were retained and gradually extended to buildings not previously covered, leading to some very strange situations. You can rent a one-bedroom apartment in Manhattan on fairly short notice??”if you are able and willing to pay about $1,700 a month and live in a less-than-desirable area.

Yet some people pay only a small fraction of this for comparable apartments and others pay hardly more for bigger apartments in better locations. Aside from producing great deals for some renters, however, what are the broader consequences of New York??™s rent control system To answer this question, we turn to the model we developed in Chapter 3 on supply and demand.Modeling a Price CeilingTo see what can go wrong when a government imposes a price ceiling on a competitive market, consider Figure 4-1, which shows a simplified model of the market for apartments in New York. For the sake of simplicity, we imagine that all apartments are exactly the same and would therefore rent for the same price in an uncontrolled market. The table in the figure shows the demand and supply schedules; the implied demand and supply curves are shown on the left of the diagram. We show the quantity of apartments on the horizontal axis and the monthly rent per apartment on the vertical axis.

You can see that in an unregulated market the equilibrium would be at point E: 2 million apartments would be rented for $1,000 each per month.FigureMonthly rent (per apartment) $1,400 1,300 1,200 1,100 1,000 900 800 700 6004-1The Market for Apartments in the Absence of Government ControlsQuantity of apartmentsSMonthly rent(per apartment)(millions)Quantity demanded 1.6 1.7 1.8 1.9 2.0 2.

1 2.2 2.3 2.

4Quantity supplied 2.4 2.3 2.2 2.

1 2.0 1.9 1.8 1.

7 1.6E$1,400 1,300 1,200 1,100 1,000 900 800 700 600D01.6 1.7 1.8 1.

9 2.0 2.1 2.2 2.3 2.4 Quantity of apartments (millions)Without government intervention, the market for apartments reaches equilibrium at point E with a market rent of $1,000 per month and 2 million apartments rented. 76PA R T 1W H AT I S E C O N O M I C S UNCORRECTED Preliminary EditionNow suppose that the government imposes a price ceiling, limiting rents to a price below the equilibrium price??”say no more than $800. Figure 4-2 shows the effect of the price ceiling, represented by the line at $800.

At the enforced rental rate of $800, landlords will have less incentive to offer apartments, so they won??™t be willing to supply as many as they would at the equilibrium rate of $1,000. So they will choose point A on the supply curve, offering only 1.8 million apartments for rent, 200,000 fewer than in the free-market situation. At the same time, more people will want to rent apartments at a price of $800 than at the equilibrium price of $1,000; as shown at point B on the demand curve, at a monthly rent of $800 the quantity of apartments demanded rises to 2.2 million, 200,000 more than in the free-market situation and 400,000 more than are actually available at the price of $800.

So there is now a persistent shortage of rental housing: at that price, 400,000 more people want to rent than are able to find apartments. Do price ceilings always cause shortages No. If a price ceiling is set above the equilibrium price, it won??™t have any effect. Suppose that the equilibrium rental rate on apartments is $1,000 per month and the city government sets a ceiling of $1,200. Who cares In this case, the price ceiling won??™t be binding??”it won??™t actually constrain market behavior??”and it will have no effect.Why a Price Ceiling Causes InefficiencyThe housing shortage shown in Figure 4-2 is not merely annoying: like any shortage induced by price controls, it can be seriously harmful because it leads to inefficiency.

We introduced the concept of efficiency back in Chapter 1, where we learned that an economy is efficient if there is no way to make some people better off without making others worse off and learned the basic principle that a market economy, left to itself, is usually efficient. A market or an economy becomes inefficient when there are missed opportunities??” ways in which production or consumption could be rearranged that would make some people better off at no cost to anyone else.A market or an economy is inefficient if there are missed opportunities: some people could be made better off without making other people worse off.Figure4-2Monthly rent (per apartment) $1,400The Effects of a Price CeilingThe dark horizontal line represents the government-imposed price ceiling on rents of $800 per month.

This price ceiling reduces the quantity of apartments supplied to 1.8 million, point A, and increases the quantity demanded to 2.2 million, point B. This creates a persistent shortage of 400,000 units: 400,000 people who want apartments at the legal rent of $800 but cannot get them.S1,2001,000E AHousing shortage of 400,000 apartments caused by price ceiling800BPrice ceiling600D01.61.8 2.

0 2.2 2.4 Quantity of apartments (millions) UNCORRECTED Preliminary EditionCHAPTER 4THE MARKET STRIKES BACK77Rent control, like all price ceilings, creates inefficiency in at least three distinct ways: in the allocation of apartments to renters, in the time wasted searching for apartments, and in the inefficiently low quality or condition in which landlords maintain apartments. In addition to inefficiency, price ceilings give rise to illegal behavior as people try to circumvent them.

Inefficient Allocation to ConsumersIn the case shown in Figure 4-2, 2.2 million people would like to rent an apartment at $800 per month, but only 1.8 million apartments are available. Of those 2.2 million who are seeking an apartment, some want an apartment badly and are willing to pay a high price to get one. Others have a less urgent need and are only willing to pay a low price, perhaps because they have alternative housing. An efficient allocation of apartments would reflect these differences: people who really want an apartment will get one and people who aren??™t all that anxious to find an apartment won??™t. In an inefficient distribution of apartments, the opposite will happen: some people who are not especially anxious to find an apartment will get one but others who are very anxious to find an apartment won??™t.

And because under rent control people usually get apartments through luck or personal connections, rent control generally results in an inefficient allocation to consumers of the few apartments available. To see the inefficiency involved, consider the plight of the Lees, a family with young children who have no alternative housing and would be willing to pay up to $1,500 for an apartment??”but are unable to find one. Also consider George, a retiree who lives most of the year in Florida but still has a lease on the New York apartment he moved into 40 years ago.

George pays $800 per month for this apartment, but if the rent were even slightly more??”say, $850??”he would give it up and stay with his children when he is in New York. This allocation of apartments??”George has one and the Lees do not??”is a missed opportunity: there is a way to make the Lees and George both better off at no additional cost. The Lees would be happy to pay George, say, $1,200 a month to sublet his apartment, which he would happily accept since the apartment is worth no more than $850 a month to him. George would prefer the money he gets from the Lees to keeping his apartment; the Lees would prefer to have the apartment rather than the money. So both would be made better off by this transaction??”and nobody else would be hurt. Generally, if people who really want apartments could sublet them from people who are less eager to stay in them, both those who gain apartments and those who trade their leases for more money would be better off. However, subletting is illegal under rent control because it would occur at prices above the price ceiling.

But just because subletting is illegal doesn??™t mean it never happens; in fact, it does occur in New York, although not on a scale that would undo the effects of rent control. This illegal subletting is a kind of black market activity, which we will discuss shortly.Price ceilings often lead to inefficiency in the form of inefficient allocation to consumers: people who want the good badly and are willing to pay a high price don??™t get it, and those who care relatively little about the good and are only willing to pay a low price do get it.Wasted Resources A second reason a price ceiling causes inefficiency is that it leads to wasted resources. The Economics in Action on page 79 describes the gasoline shortages of 1979, when millions of Americans spent hours each week waiting in lines at gas stations. The opportunity cost of the time spent in gas lines??”the wages not earned, the leisure time not enjoyed??”constituted wasted resources from the point of view of consumers and of the economy as a whole.

Because of rent control, the Lees will spend all their spare time for several months searching for an apartment, time they would rather have spent working or in family activities. That is, there is an opportunity cost to the Lees??™ prolonged search for an apartment??”the leisure or income they had to forgo. If the market for apartments worked freely, the Lees would quickly find an apartment at $1,000 and have time to earn more or to enjoy themselves??”an outcome that would make them better off at no expense to anyone else. Again, rent control creates missed opportunities. Inefficiently Low QualityA third way a price ceiling causes inefficiency is by causing goods to be of inefficiently low quality.Price ceilings typically lead to inefficiency in the form of wasted resources: people spend money and expend effort in order to deal with the shortages caused by the price ceiling.Price ceilings often lead to inefficiency in that the goods being offered are of inefficiently low quality: sellers offer low-quality goods at a low price even though buyers would prefer a higher quality at a higher price.

78PA R T 1W H AT I S E C O N O M I C S UNCORRECTED Preliminary EditionF O RI N Q U I R I N GM I N D STHE RENT CONTROL ARISTOCRACYOne of the ironies of New York??™s rent-control system is that some of the biggest beneficiaries are not the working-class families the system was intended to help but affluent tenants whose families have lived for many decades in choice apartments that would now command very high rents. One well-known example: the 1986 movie Hannah and Her Sisters took place mainly in the real-life home of actress Mia Farrow, a spectacular 11-room apartment overlooking Central Park. Ms. Farrow ???inherited??? this apartment from her mother, the actress Maureen O??™Hara. A few years after the movie came out, a study found that Ms. Farrow was paying less than $2,300 a month??”about what a 2-bedroom apartment in a far less desirable location would have cost on the uncontrolled market.

Again, consider rent control. Landlords have no incentive to provide better conditions because they cannot raise rents to cover their repair costs but are still able to find tenants easily. In many cases tenants would be willing to pay much more for improved conditions than it would cost for the landlord to provide them??”for example, the upgrade of an antiquated electrical system that cannot safely run air conditioners or computers. But any additional payment for such improvements would be legally considered a rent increase, which is prohibited. Indeed, rent-controlled apartments are notoriously badly maintained, rarely painted, subject to frequent electrical and plumbing problems, sometimes even hazardous to inhabit. As one former manager of Manhattan buildings described his job: ???At unregulated apartments we??™d do most things that the tenants requested. But on the rent-regulated units, we did absolutely only what the law required. .

. . We had a perverse incentive to make those tenants unhappy. With regulated apartments, the ultimate objective is to get people out of the building.??? This whole situation is a missed opportunity??”some tenants would be happy to pay for better conditions, and landlords would be happy to provide them for payment.

But such an exchange would occur only if the market were allowed to operate freely.Black MarketsA black market is a market in which goods or services are bought and sold illegally??”either because it is illegal to sell them at all or because the prices charged are legally prohibited by a price ceiling.And that leads us to a last aspect of price ceilings: the incentive they provide for illegal activities, specifically the emergence of black markets. We have already described one kind of black market activity??”illegal subletting by tenants. But it does not stop there. Clearly, there is a temptation for a landlord to say to a potential tenant, ???Look, you can have the place if you slip me an extra few hundred in cash each month?????”and for the tenant to agree, if he or she is one of those people who would be willing to pay much more than the maximum legal rent. What??™s wrong with black markets In general, it??™s a bad thing if people break any law, because it encourages disrespect for the law in general. Worse yet, in this case illegal activity worsens the position of those who try to be honest.

If the Lees are scrupulous about not breaking the rent control law but others??”who may need an apartment less than the Lees do??”are willing to bribe landlords, the Lees may never find an apartment.So Why Are There Price CeilingsWe have seen three common results of price ceilings:?¦ ?¦A persistent shortage of the good Inefficiency arising from this persistent shortage in the form of inefficient allocation of the good to consumers, resources wasted in searching for the good, and the inefficiently low quality of the good offered for sale The emergence of illegal, black market activity?¦ UNCORRECTED Preliminary EditionCHAPTER 4THE MARKET STRIKES BACK79Given these unpleasant consequences, why do governments still sometimes impose price ceilings??”and why does rent control, in particular, persist in New York One answer is that although price ceilings may have adverse effects, they do benefit some people. In practice, New York??™s rent control rules??”which are more complex than our simple model??”hurt most residents but give a small minority of renters much cheaper housing than they would get in an unregulated market.

And those who benefit from the controls are typically better organized and more vocal than those who are harmed by them. Also, when price ceilings have been in effect for a long time, buyers may not have a realistic idea of what would happen without them. In our previous example, the rental rate in an uncontrolled market (Figure 4-1) would be only 25 percent higher than in the controlled market (Figure 4-2)??”$1,000 instead of $800. But how would renters know that Indeed, they might have heard about black market transactions at much higher prices??”the Lees or some other family paying George $1,200 or more??” and would not realize that these black market prices are much higher than the price that would prevail in a fully free market. A last answer is that government officials often do not understand supply and demand analysis! It is a great mistake to suppose that economic policies in the real world are always sensible or well informed.economics in actionOil Shortages in the 1970sIn 1979 a revolution overthrew the government of Iran, one of the world??™s major petroleum-exporting countries. The political chaos in Iran disrupted oil production there, and the sudden fall in world supply caused the price of crude oil to shoot up by 300 percent.

In most of the world this price increase made gasoline more expensive at the pump but did not lead to shortages. In the United States, however, gasoline was subject to a price ceiling, imposed six years earlier during an oil crisis sparked by the Arab??“Israeli war of 1973. The main purpose of those price controls was to prevent U.S. oil producers from reaping large profits as a result of temporary disruptions of supply. As we learned in Chapter 3, a fall in supply generally raises prices. But here, because the price of gasoline at the pump couldn??™t rise, the reduction in supply showed up as shortages. As it turned out, these shortages became much worse because of panic: drivers who weren??™t sure when they would next be able to get gas rushed to fill up even if they still had plenty in their tanks.

This produced a temporary surge in demand and long lines at gas stations. For a few months the gasoline shortage dominated the national scene. Hours were wasted sitting in gasoline lines; families canceled vacations for fear of being stranded. Eventually, higher production began to work its way through the refineries, increasing supply.

And the end of the summer driving season reduced demand. Both together led to a fall in price. In 1981 price controls on gasoline, now discredited as a policy, were abolished. But the uncontrolled gasoline market faced a major test in the spring of 2000.

Oil-producing nations restricted their output in order to drive up prices and achieved unexpected success, more than doubling world prices over a period of a few months. Prices at the pump rose sharply??”many people altered their driving plans and some felt distinctly poorer as a result of the higher prices. But there were no shortages and life continued in the United States without nearly as much disruption as price controls had generated in the 1970s. Interestingly, however, the oil price shock of 2000 did cause serious disruptions in some European countries??”because truck drivers and farmers, protesting the high price of fuel, blocked deliveries. This protest was an extreme illustration of the reasons why governments sometimes try to control prices despite the known problems with price controls! ?¦?? ?QUICK REVIEW??> > > > > > > > > > > > > > > > > >Price controls take the form of either legal maximum prices??”price ceilings??”or legal minimum prices??”price floors. A price ceiling below the equilibrium price benefits successful buyers but causes predictable adverse effects such as persistent shortages, which lead to three types of inefficiencies: inefficient allocation to consumers, wasted resources, and inefficiently low quality. Price ceilings also produce black markets, as buyers and sellers attempt to evade the price restriction.

80PA R T 1W H AT I S E C O N O M I C S UNCORRECTED Preliminary Edition>> CHECK YOUR UNDERSTANDING 4-11. Homeowners near Middletown University??™s stadium used to rent parking spaces in their driveways to fans at a going rate of $11. A new town ordinance now sets a maximum parking fee of $7. Use the accompanying supply and demand diagram to explain how each of the following corresponds to a price-ceiling concept. a. Some homeowners now think it??™s not worth the hassle to rent out spaces.

b. Some fans who used to carpool to the game now drive alone. c. Some fans can??™t find parking and leave without seeing the game. S Explain how each of the following arises from the price ceiling. d.

Some fans now arrive several hours early to find parking. E e. Friends of homeowners near the stadium regularly attend games, even if they aren??™t big fans. But some serious fans have given up because of the parking situation. f. Some homeowners rent spaces for more than $7 but pretend that D the buyers are non-paying friends or family.3,200 3,600 4,000 4,400 4,800 Quantity of parking spacesParking fee $15 11 7 3 02.

True or false Explain your answer. Compared to a free market, price ceilings at a price below the equilibrium price do the following: a. Increase quantity supplied b. Make some people who want to consume the good worse off c. Make all producers worse offSolutions appear at back of book.Price FloorsSometimes governments intervene to push market prices up instead of down.

Price floors have been widely legislated for agricultural products, such as wheat and milk, as a way to support the incomes of farmers. Historically, there were also price floors on such services as trucking and air travel, although these were phased out by the United States in the 1970s. If you have ever worked in a fast-food restaurant, you are likely to have encountered a price floor: the United States and many other countries maintain a lower limit on the hourly wage rate of a worker??™s labor??”that is, a floor on the price of labor, called the minimum wage. Just like price ceilings, price floors are intended to help some people but generate predictable and undesirable side effects. Figure 4-3 shows hypothetical supply and demand curves for butter.

Left to itself, the market would move to equilibrium at point E, with 10 million pounds of butter bought and sold at a price of $1 per pound. But now suppose that the government, in order to help dairy farmers, imposes a price floor on butter of $1.20 per pound.

Its effects are shown in Figure 4-4, where the line at $1.20 represents the price floor. At a price of $1.20 per pound, producers would want to supply 12 million pounds (point B on the supply curve) but consumers would want to buy only 9 million pounds (point A on the demand curve).

There would therefore be a persistent surplus of 3 million pounds of butter. Does a price floor always lead to an unwanted surplus No. Just as in the case of a price ceiling, the floor may not be binding??”that is, it may be irrelevant.

If the equilibrium price of butter is $1 per pound but the floor is set at only $0.80, the floor has no effect. But suppose that a price floor is binding: what happens to the unwanted surplus The answer depends on government policy. In the case of agricultural price floors, governments buy up unwanted surplus. Therefore the U.S.

government has at times found itself warehousing thousands of tons of butter, cheese, and other farm products. (The European Commission, which administers price floors for a number of European countries, once found itself the owner of a so-called butter mountain, equal in weight to the entire population of Austria.) The government then has to find a way to dispose of these unwanted goods. Some countries pay exporters to sell products at a loss overseas; this is standard procedure for the European Union. (See For Inquiring Minds on page 82.

) At one point the United States tried giving away surplus cheese to the poor. In some cases, governments have actually destroyed the surplus production. To avoid the problem ofThe minimum wage is a legal floor on the wage rate, which is the market price of labor.

UNCORRECTED Preliminary EditionCHAPTER 4THE MARKET STRIKES BACK81FigurePrice of butter (per pound) $1.40 1.30 1.20 1.10 1.

00 0.90 0.80 0.

70 0.604-3The Market for Butter in the Absence of Government ControlsQuantity of butterS(millions of pounds)Price of butter(per pound)Quantity demanded 8.0 8.5 9.

0 9.5 10.0 10.5 11.0 11.5 12.

0Quantity supplied 14.0 13.0 12.

0 11.0 10.0 9.0 8.

0 7.0 6.0E$1.40 $1.30 $1.

20 $1.10 $1.00 $0.

90 $0.80 $0.70 $0.60D6.0 7.0 8.0 9.0 10.

0 11.0 12.0 13.0 14.0 Quantity of butter (millions of pounds)Without government intervention, the market for butter reaches equilibrium at a price of $1 per pound and with 10 million pounds of butter bought and sold.0dealing with the unwanted supplies, the U.S. government typically pays farmers not to produce the products at all.

When the government is not prepared to purchase the unwanted surplus, a price floor means that would-be sellers cannot find buyers. This is what happens when there is a price floor on the wage rate paid for an hour of labor, the minimum wage: when theFigure4-4Price of butter (per pound) $1.40The Effects of a Price FloorThe dark horizontal line represents the government-imposed price floor of $1.20 per pound of butter. The quantity of butter demanded falls to 9 million pounds while the quantity supplied rises to 12 million pounds, generating a persistent surplus of 3 million pounds of butter.Butter surplus of 3 million pounds caused by price floorS1.20A EBPrice floor1.000.

800.60D06.08.0 9.0 10.0 12.0 14.

0 Quantity of butter (millions of pounds) 82PA R T 1W H AT I S E C O N O M I C S UNCORRECTED Preliminary EditionF O RI N Q U I R I N GM I N D SPRICE FLOORS AND BUTTER COOKIESWander down the cookie aisle of your supermarket, and you will probably find a large section of imported cookies, especially ???butter cookies?????”cookies containing lots of butter??” from Denmark and other countries. Why does the United States??”with a pretty strong cookie-baking tradition of its own??”import cookies from overseas Part of the answer lies in European price floors. Twenty-five European countries are currently members of the European Union, an organization that coordinates their policies on foreign trade, regulations, and other matters. The European Union also sets price floors for agricultural goods, under the so-called Common Agricultural Policy, or CAP. These price floors have led to large surpluses, particularly of butter. To cope with these surpluses, the CAP pays a subsidy to companies that export goods such as butter??”that is, sell them outside Europe.

And guess what: butter contained in a cookie sold in America counts as exported butter??”and receives a subsidy. As a result, butter cookies from Europe are artificially cheap in America. So now you know why your supermarket stocks them. Bon appetit!minimum wage is above the equilibrium wage rate, some people who are willing to work??”that is, sell labor??”cannot find buyers??”that is, employers willing to give them jobs.

Why a Price Floor Causes InefficiencyThe persistent surplus that results from a price floor creates missed opportunities??” inefficiencies??”that resemble those created by the shortage that results from a price ceiling. These include inefficient allocation of sales among sellers, wasted resources, inefficiently high quality, and the temptation to break the law by selling below the legal price.Inefficient Allocation of Sales Among SellersPrice floors lead to inefficient allocation of sales among sellers: those who would be willing to sell the good at the lowest price are not always those who actually manage to sell it.Like a price ceiling, a price floor can lead to inefficient allocation??”but in this case inefficient allocation of sales among sellers rather than inefficient allocation to consumers. An episode from the Belgian movie Rosetta, a realistic fictional story, illustrates the problem of inefficient allocation of selling opportunities quite well. Like many European countries, Belgium has a high minimum wage, and jobs for young people are scarce. At one point Rosetta, a young woman who is very anxious to work, loses her job at a fast-food stand because the owner of the stand replaces her with his son??” a very reluctant worker.

Rosetta would be willing to work for less money, and with the money he would save, the owner could give his son an allowance and let him do something else. But to hire Rosetta for less than the minimum wage would be illegal. Also like a price ceiling, a price floor generates inefficiency by wasting resources. The most graphic examples involve agricultural products with price floors when the government buys up the unwanted surplus.

The surplus production is sometimes destroyed, which is a pure waste; in other cases the stored produce goes, as officials euphemistically put it, ???out of condition??? and must be thrown away. Price floors also lead to wasted time and effort. Consider the minimum wage. Would-be workers who spend many hours searching for jobs, or waiting in line in the hope of getting jobs, play the same role in the case of price floors as hapless families searching for apartments in the case of price ceilings.Wasted ResourcesInefficiently High QualityAgain like price ceilings, price floors lead to inefficiency in the quality of goods produced. We saw that when there is a price ceiling, suppliers produce products that are of inefficiently low quality: buyers prefer higher-quality products and are willing to pay for them, but sellers refuse to improve the quality of their products because the price UNCORRECTED Preliminary EditionCHAPTER 4THE MARKET STRIKES BACK83ceiling prevents their being compensated for doing so. This same logic applies to price floors, but in reverse: suppliers offer goods of inefficiently high quality. How can this be Isn??™t high quality a good thing Yes, but only if it is worth the cost.

Suppose that suppliers spend a lot to make goods of very high quality but that this quality is not worth all that much to consumers, who would rather receive the money spent on that quality in the form of a lower price. This represents a missed opportunity: suppliers and buyers could make a mutually beneficial deal in which buyers got goods of somewhat lower quality for a much lower price. A good example of the inefficiency of excessive quality comes from the days when transatlantic airfares were set artificially high by international treaty. Forbidden to compete for customers by offering lower ticket prices, airlines instead offered expensive services, like lavish in-flight meals that went largely uneaten.

At one point the regulators tried to restrict this practice by defining maximum service standards??”for example, that snack service should consist of no more than a sandwich. One airline then introduced what it called a ???Scandinavian Sandwich,??? a towering affair that forced the convening of another conference to define sandwich. All of this was wasteful, especially considering that what passengers really wanted was less food and lower airfares. Since the deregulation of U.

S. airlines in the 1970s, American passengers have experienced a large decrease in ticket prices accompanied by a decrease in the quality of in-flight service??”smaller seats, lower-quality food, and so on. Everyone complains about the service??”but thanks to lower fares, the number of people flying on U.

S. carriers has grown several hundred percent since airline deregulation.Price floors often lead to inefficiency in that goods of inefficiently high quality are offered: sellers offer high-quality goods at a high price, even though buyers would prefer a lower quality at a lower price.Illegal ActivityFinally, like price floors, price ceilings can provide an incentive for illegal activity. For example, in countries where the minimum wage is far above the equilibrium wage rate, workers desperate for jobs sometimes agree to work off the books for employers who conceal their employment from the government??”or bribe the government inspectors. This practice, known in Europe as ???black labor,??? is especially common in Southern European countries such as Italy and Spain (see Economics in Action below).So Why Are There Price FloorsTo sum up, a price floor creates various negative side effects:?¦ ?¦A persistent surplus of the good Inefficiency arising from the persistent surplus in the form of inefficient allocation of sales among sellers, wasted resources, and an inefficiently high level of quality offered by suppliers The temptation to engage in illegal activity, particularly bribery and corruption of government officials?¦So why do governments impose price floors when they have so many negative side effects The reasons are similar to those for imposing price ceilings.

Government officials often disregard warnings about the consequences of price floors either because they believe that the relevant market is poorly described by the supply and demand model or, more often, because they do not understand the model. Above all, just as price ceilings are often imposed because they benefit some influential buyers of a good, price floors are often imposed because they benefit some influential sellers.economics in action???Black Labor??? in Southern EuropeThe best-known example of a price floor is the minimum wage. Most economists believe, however, that the minimum wage has relatively little effect on the job market in the United States, mainly because the floor is set so low. (This effectively makes 84PA R T 1W H AT I S E C O N O M I C S UNCORRECTED Preliminary Edition?? ?QUICK REVIEW??The most familiar price floor is the minimum wage.

Price floors are also commonly imposed on agricultural goods. A price floor above the equilibrium price benefits successful sellers but causes predictable adverse effects such as a persistent surplus, which leads to three kinds of inefficiencies: inefficient allocation of sales among sellers, wasted resources, and inefficiently high quality. Price floors encourage illegal activity, such as workers who work off the books, often leading to official corruption.the U.

S. minimum wage a nonbinding price floor??”a political symbol more than a substantive policy.) In 1968, the U.S. minimum wage was 53 percent of the average wage of blue-collar workers; by 2003, it had fallen to about 34 percent. The situation is different, however, in many European countries, where minimum wages have been set much higher than in the United States. This has happened despite the fact that European workers are somewhat less productive than their American counterparts, which means that the equilibrium wage in Europe??”the wage that would clear the labor market??”is probably lower in Europe than in the United States. Moreover, European countries often require employers to pay for health and retirement benefits, which are more extensive and therefore more costly than comparable American benefits.

These mandated benefits make the actual cost of hiring a European worker considerably more than the worker??™s paycheck. The result is that in Europe the price floor on labor is definitely binding: the minimum wage is well above the wage rate that would make the quantity of labor supplied by workers equal to the quantity of labor demanded by employers. The persistent surplus that results from this price floor appears in the form of high unemployment??”millions of workers, especially young workers, seek jobs but cannot find them. In countries where the enforcement of labor laws is lax, however, there is a second, entirely predictable result: widespread evasion of the law. In both Italy and Spain, officials believe there are hundreds of thousands, if not millions, of workers who are employed by companies that pay them less than the legal minimum, fail to provide the required health and retirement benefits, or both. In many cases the jobs are simply unreported: Spanish economists estimate that about a third of the country??™s reported unemployed are in the black labor market??”working at unreported jobs.

In fact, Spaniards waiting to collect checks from the unemployment office have been known to complain about the long lines that keep them from getting back to work! Employers in these countries have also found legal ways to evade the wage floor. For example, Italy??™s labor regulations apply only to companies with 15 or more workers. This gives a big cost advantage to small Italian firms, many of which remain small in order to avoid having to pay higher wages and benefits. And sure enough, in some Italian industries there is an astonishing proliferation of tiny companies. For example, one of Italy??™s most successful industries is the manufacture of fine woolen cloth, centered in the Prato region. The average textile firm in that region employs only four workers! ?¦< < < < < < < < < < < < < < < < < < >> CHECK YOUR UNDERSTANDING 4-21.

The state legislature mandates a price floor for gasoline of $2 per gallon. Assess the following statements and illustrate your answer using the figure provided: a. Proponents of the law claim it will increase the income of gas station owners.

Opponents claim it will hurt gas station owners because they will lose customers. S b. Proponents claim consumers will be better A B off because gas stations will provide better service.

Opponents claim consumers E Price will be generally worse off because they floor prefer to buy gas at cheaper prices. c. Proponents claim that they are helping D gas station owners without hurting anyone else. Opponents claim that consumers are 0.6 0.7 0.8 0.

9 1.0 1.1 1.

2 1.3 hurt and will end up doing things like Quantity of gas (millions of gallons) buying gas in a nearby state or on the black market.Solutions appear at back of book.Price of gas (per gallon) $2.20 2.00 1.80 1.

600 UNCORRECTED Preliminary EditionCHAPTER 4THE MARKET STRIKES BACK85Controlling QuantitiesIn the 1930s, New York City instituted a system of licensing for taxicabs: only taxis with a ???medallion??? were allowed to pick up passengers. Because this system was intended to assure quality, medallion owners were supposed to maintain certain standards, including safety and cleanliness. A total of 11,787 medallions were issued, with taxi owners paying $10 for each medallion. In 1995, there were still only 11,787 licensed taxicabs in New York, even though the city had meanwhile become the financial capital of the world, a place where hundreds of thousands of people in a hurry tried to hail a cab every day. (An additional 400 medallions were issued in 1995, and in 2003 plans were announced to issue 900 more.

) The result of this restriction on the number of taxis was that those medallions became very valuable: if you wanted to operate a New York taxi, you had to lease a medallion from someone else or buy one for a going price of about $250,000. It turns out that the New York story is not unique; other cities introduced similar medallion systems in the 1930s and, like New York, have issued few new medallions since. In San Francisco and Boston, as in New York, taxi medallions trade for sixfigure prices. A taxi medallion system is a form of quantity control, or quota, by which the government regulates the quantity of a good that can be bought or sold rather than the price at which it is transacted. The total amount of the good that can be transacted under the quantity control is called the quota limit. Typically, the government limits quantity in a market by issuing licenses; only people with a license can legally supply the good. A taxi medallion is just such a license. The government of New York City limits the number of taxi rides that can be sold by limiting the number of taxis to only those who hold medallions.

There are many other cases of quantity controls, ranging from limits on how much foreign currency (for instance, British pounds or Mexican pesos) people are allowed to buy to the quantity of clams New Jersey fishing boats are allowed to catch. Notice, by the way, that although there are price controls on both sides of the equilibrium price??”price ceilings and price floors??” in the real world, quantity controls always set an upper, not a lower, limit on quantities. After all, nobody can be forced to buy or sell more than they want to! Some of these attempts to control quantities are undertaken for good economic reasons, some for bad ones. In many cases, as we will see, quantity controls introduced to address a temporary problem become politically hard to remove later because the beneficiaries don??™t want them abolished, even after the original reason for their existence is long gone.

But whatever the reasons for such controls, they have certain predictable??”and usually undesirable??”economic consequences.A quantity control, or quota, is an upper limit on the quantity of some good that can be bought or sold. The total amount of the good that can be legally transacted is the quota limit. A license gives its owner the right to supply a good.The Anatomy of Quantity ControlsTo understand why a New York taxi medallion is worth so much money, we consider a simplified version of the market for taxi rides, shown in Figure 4-5 on page 86.

Just as we assumed in the analysis of rent controls that all apartments are the same, we now suppose that all taxi rides are the same??”ignoring the real-world complication that some taxi rides are longer, and thus more expensive, than others. The table in the figure shows supply and demand schedules. The equilibrium??”indicated by point E in the figure and by the shaded entries in the table??”is a fare of $5 per ride, with 10 million rides taken per year. (You??™ll see in a minute why we present the equilibrium this way.

) The New York medallion system limits the number of taxis, but each taxi driver can offer as many rides as he or she can manage. (Now you know why New York taxi drivers are so aggressive!) To simplify our analysis, however, we will assume that a medallion system limits the number of taxi rides that can legally be given to 8 million per year. Until now, we have derived the demand curve by answering questions of the form: ???How many taxi rides will passengers want to take if the price is $5 per ride??? But it is possible to reverse the question and ask instead: ???At what price will consumers want 86PA R T 1W H AT I S E C O N O M I C S UNCORRECTED Preliminary EditionFigureFare (per ride) $7.00 6.50 6.00 5.50 5.

00 4.50 4.00 3.50 3.004-5The Market for Taxi Rides in the Absence of Government ControlsQuantity of ridesS(millions per year)Fare(per ride)Quantity demanded 6 7 8 9 10 11 12 13 14Quantity supplied 14 13 12 11 10 9 8 7 6ED$7.

00 $6.50 $6.00 $5.50 $5.00 $4.50 $4.00 $3.50 $3.

00067 8 9 10 11 12 13 14 Quantity of rides (millions per year)Without government intervention, the market reaches equilibrium with 10 million rides taken per year at a fare of $5 per ride.The demand price of a given quantity is the price at which consumers will demand that quantity.The supply price of a given quantity is the price at which producers will supply that quantity.to buy 10 million rides per year??? The price at which consumers want to buy a given quantity??”in this case, 10 million rides at $5 per ride??”is the demand price of that quantity. You can see from the demand schedule in Figure 4-5 that the demand price of 6 million rides is $7, the demand price of 7 million rides is $6.

50, and so on. Similarly, the supply curve represents the answer to questions of the form: ???How many taxi rides would taxi drivers supply at a price of $5 each??? But we can also reverse this question to ask: ???At what price will suppliers be willing to supply 10 million rides per year??? The price at which suppliers will supply a given quantity??”in this case, 10 million rides at $5 per ride??”is the supply price of that quantity. We can see from the supply schedule in Figure 4-5 that the supply price of 6 million rides is $3, the supply price of 7 million rides is $3.50, and so on.

Now we are ready to analyze a quota. We have assumed that the city government limits the quantity of taxi rides to 8 million per year. Medallions, each of which carries the right to provide a certain number of taxi rides per year, are made available to selected people in such a way that a total of 8 million rides will be provided. Medallion holders may then either drive their own taxis or rent their medallions to others for a fee. Figure 4-6 shows the resulting market for taxi rides, with the line at 8 million rides per year representing the quota limit. Because the quantity of rides is limited to 8 million, consumers must be at point A on the demand curve, corresponding to the shaded entry in the demand schedule: the demand price of 8 million rides is $6. Meanwhile, taxi drivers must be at point B on the supply curve, corresponding to the shaded entry in the supply schedule: the supply price of 8 million rides is $4.

But how can the price received by taxi drivers be $4 when the price paid by taxi riders is $6 The answer is that in addition to the market in taxi rides, there will also be a market in medallions. Medallion-holders may not always want to drive their taxis: they may be ill or on vacation. So those who do not want to drive their own taxis will sell the right to use the medallion to someone else. So we need to consider two sets of transactions here, and hence two prices: (1) the transactions in taxi rides and the price at which these will occur, and (2) the transactions in medallions and the price at which these will occur. It turns out that since we are looking at two markets, the $4 and $6 prices will both be right. UNCORRECTED Preliminary EditionCHAPTER 4THE MARKET STRIKES BACK87FigureFare (per ride) $7.

00 6.50 6.00 5.50 5.00 4.50 4.00 3.50 3.

004-6Effect of a Quota on the Market for Taxi RidesQuantity of rides(millions per year)S AThe ???wedge???Fare(per ride)Quantity demanded 6 7 8 9 10 11 12 13 14Quantity supplied 14 13 12 11 10 9 8 7 6EB DQuota$7.00 $6.50 $6.00 $5.50 $5.

00 $4.50 $4.00 $3.50 $3.00067 8 9 10 11 12 13 14 Quantity of rides (millions per year)$6 per ride, the demand price of 8 million rides, shown by point A.

The supply price of 8 million rides is only $4 per ride, shown by point B. The difference between these two prices is the quota rent per ride, the earnings that accrue to the owner of a license. The quota rent drives a wedge between the demand price and the supply price.The table shows the demand price and the supply price corresponding to each quantity: the price at which that quantity would be demanded and supplied, respectively. The city government imposes a quota of 8 million rides by selling licenses for only 8 million rides, represented by the dark vertical line. The price paid by consumers rises toTo see how this all works, consider two imaginary New York taxi drivers, Sunil and Harriet.

Sunil has a medallion but can??™t use it because he??™s recovering from a severely sprained wrist. So he??™s looking to rent his medallion out to someone else. Harriet doesn??™t have a medallion but would like to rent one. Furthermore, at any point in time there are many other people like Harriet who would like to rent a medallion as well as many others like Sunil who have a medallion to rent. Suppose Sunil agrees to rent his medallion to Harriet. To make things simple, assume that any driver can give only one ride per day and that Sunil is renting his medallion to Harriet for one day. What rental price will they agree on To answer this question, we need to look at the transactions from the viewpoints of both drivers. Once she has the medallion, Harriet knows she can make $6 per day??”the demand price of a ride under the quota. And she is willing to rent the medallion only if she makes at least $4 per day??”the supply price of a ride under the quota. So Sunil cannot demand a rent of more than $2??”the difference between $6 and $4. And if Harriet offered Sunil less than $2??”say, $1.50??”there would be other eager drivers willing to offer him more, up to $2. Hence, in order to get the medallion, Harriet must offer Sunil at least $2. Therefore, since the rent can be no more than $2 and no less than $2, it must be exactly $2. It is no coincidence that $2 is exactly the difference between $6, the demand price of 8 million rides, and $4, the supply price of 8 million rides. In every case in which the supply of a good is legally restricted, there is a wedge between the demand price of the quantity transacted and the supply price of the quantity transacted. This wedge, illustrated by the double-headed arrow in Figure 4-6, has a special name: the quota rent. It is the earnings that accrue to the license-holder from ownership of a valuable commodity, the license. In the case of Sunil and Harriet, the quota rent of $2 goes to Sunil because he owns the license, and the remaining $4 from the total fare of $6 goes to Harriet.A quantity control, or quota, drives a wedge between the demand price and the supply price of a good; that is, the price paid by buyers ends up being higher than that received by sellers. The difference between the demand and supply price at the quota limit is the quota rent, the earnings that accrue to the license-holder from ownership of the right to sell the good. It is equal to the market price of the license when the licenses are traded. 88PA R T 1W H AT I S E C O N O M I C S UNCORRECTED Preliminary EditionSo Figure 4-6 also illustrates the quota rent in the market for New York taxi rides. The quota limits the quantity of rides to 8 million per year, a quantity at which the demand price of $6 exceeds the supply price of $4. The wedge between these two prices, $2, is the quota rent that results from the restrictions placed on the quantity of taxi rides in this market. But wait a second. What if Sunil doesn??™t rent out his medallion What if he uses it himself Doesn??™t this mean that he gets a price of $6 No, not really. Even if Sunil doesn??™t rent out his medallion, he could have rented it out, which means that the medallion has an opportunity cost of $2: if Sunil decides to drive his own taxi rather than renting it to Harriet, the $2 represents his opportunity cost of not renting out his medallion. That is, the $2 quota rent is now the rental income he forgoes by driving his own taxi. In effect, Sunil is in two businesses??”the taxi-driving business and the medallion-renting business. He makes $4 per ride from driving his taxi and $2 per ride from renting out his medallion. It doesn??™t make any difference that in this particular case he has rented his medallion to himself! Notice, by the way, that quotas??”like price ceilings and price floors??”don??™t always have a real effect. If the quota were set at 12 million rides??”that is, above the equilibrium quantity in an unregulated market??”it would have no effect because it would not be binding.The Costs of Quantity ControlsLike price controls, quantity controls can have some undesirable side effects. The first is the by-now-familiar problem of inefficiency due to missed opportunities: quantity controls prevent mutually beneficial transactions from occurring, transactions that would benefit both buyers and sellers. Looking back at Figure 4-6, you can see that starting at the quota limit of 8 million rides, New Yorkers would be willing to pay at least $5.50 per ride for an additional 1 million rides and that taxi drivers would be willing to provide those rides as long as they got at least $4.50 per ride. These are rides that would have taken place if there were no quota limit. The same is true for the next 1 million rides: New Yorkers would be willing to pay at least $5 per ride when the quantity of rides is increased from 9 to 10 million, and taxi drivers would be willing to provide those rides as long as they got at least $5 per ride. Again, these rides would have occurred without the quota limit. Only when the market has reached the free-market equilibrium quantity of 10 million rides are there no ???missed-opportunity rides?????”the quota limit of 8 million rides has caused 2 million ???missed-opportunity rides.??? Generally, as long as the demand price of a given quantity exceeds the supply price, there is a missed opportunity. A buyer would be willing to buy the good at a price that the seller would be willing to accept, but such a transaction does not occur because it is forbidden by the quota. And because there are transactions that people would like to make but are not allowed to, quantity controls generate an incentive to evade them or even to break the law. New York??™s taxi industry again provides clear examples. Taxi regulation applies only to those drivers who are hailed by passengers on the street. A car service that makes prearranged pickups does not need a medallion. As a result, such hired cars provide much of the service that might otherwise be provided by taxis, as in other cities. In addition, there are substantial numbers of unlicensed cabs that simply defy the law by picking up passengers without a medallion. Because these cabs are illegal, their drivers are completely unregulated, and they generate a disproportionately large share of traffic accidents in New York. In sum, quantity controls typically create the following undesirable side effects: ?¦ Inefficiencies, or missed opportunities, in the form of mutually beneficial transactions that don??™t occur ?¦ Incentives for illegal activities UNCORRECTED Preliminary EditionCHAPTER 4THE MARKET STRIKES BACK89economics in actionThe Clams of New JerseyForget the refineries along the Jersey Turnpike; one industry that New Jersey really dominates is clam fishing. The Garden State supplies 80 percent of the world??™s surf clams, whose tongues are used in fried-clam dinners, and 40 percent of the quahogs, which are used to make clam chowder. In the 1980s, however, excessive fishing threatened to wipe out New Jersey??™s clam beds. To save the resource, the U.S. government introduced a clam quota, which sets an overall limit on the number of bushels of clams that may be caught and allocates licenses to owners of fishing boats based on their historical catches. Notice, by the way, that this is an example of a quota that is probably justified by broader economic and environmental considerations??”unlike the New York taxicab quota, which has long since lost any economic rationale. Still, whatever its rationale, the New Jersey clam quota works the same way as any other quota. Once the quota system was established, many boat owners stopped fishing for clams. They realized that rather than operate a boat part time, it was more profitable to sell or rent their licenses to someone else, who could then assemble enough licenses to operate a boat full time. Today, there are about 50 boats fishing for clams; the license required to operate one is worth more than the boat itself. ?¦?? ?QUICK REVIEW???> > > > > > > > > > > > > > > > > > >> CHECK YOUR UNDERSTANDING 4-31. Suppose that the supply and demand for taxi rides is given by Figure 4-5 but the quota is set at 6 million rides instead of 8 million. Find the following and indicate them on Figure 4-5. a. The price of a ride b. The quota rent c. Suppose the quota limit on taxi rides is increased to 9 million. What happens to the quota rent 2. Assume that the quota limit is 8 million rides. Suppose demand decreases due to a decline in tourism. What is the smallest parallel leftward shift in demand that would result in the quota no longer having an effect on the market Illustrate your answer using Figure 4-5.Solutions appear at back of book.Quantity controls, or quotas, are government-imposed limits on how much of a good may be bought or sold. The quantity allowed for sale is the quota limit. The government then issues a license??”the right to sell a given quantity of a good under the quota. When the quota limit is smaller than the quantity of the good transacted in an unregulated market, the demand price is higher than the supply price??”there is a wedge between them at the quota limit. This wedge is the quota rent, the earnings that accrue to the licenseholder from ownership of the right to sell the good??”whether by actually supplying the good or by renting the license to someone else. The market price of a license equals the quota rent. Like price controls, quantity controls create inefficiencies and encourage illegal activity.A Surprise Parallel: TaxesTo provide the services we want, from national defense to public parks, governments must collect taxes. But taxes impose costs on the economy. Among the most important roles of economics is tax analysis: figuring out the economic costs of taxation, determining who bears those costs, and suggesting ways to change the tax system that will reduce the costs it imposes. It turns out that the same analysis we have just used to understand quotas can be used, with hardly any modification, to make a preliminary analysis of taxes, too.Why Is a Tax Like a QuotaSuppose that the supply and demand curves for New York taxis were exactly as shown in Figure 4-5. This means that in the absence of government action, the equilibrium price of a taxi ride will be $5 and 10 million rides will be bought and sold. Now suppose that instead of imposing a quota on the quantity of rides, the city imposes an excise tax??”a t

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