Cigarette smoking imposes many external costs on society: secondhand smoke, the litter on the street from discarded butts, and so on. Therefore, the market equilibrium quantity of cigarettes is not equal to the socially optimal quantity. The following graph shows the demand for cigarettes (their marginal private benefits), the supply of cigarettes (the marginal private costs of producing them), and the marginal social costs of cigarettes, including both the marginal private costs and external costs. Use the black point (plus symbol) to indicate the market equilibrium quantity. Next, use the purple point (diamond symbol) to indicate the socially optimal quantity. Finally, use the grey polygon (star symbol) to indicate the area representing market failure. PRICE OF CIGARETTES MSC Supply (MPC) Demand (MPB, MSB) QUANTITY OF CIGARETTES Market Output Socially Optimal Output Market failure ?

Cigarette smoking imposes many external costs on society: secondhand smoke, the litter on the street from discarded butts, and so on. Therefore, the market equilibrium quantity of cigarettes is not equal to the socially optimal quantity. The following graph shows the demand for cigarettes (their marginal private benefits), the supply of cigarettes (the marginal private costs of producing them), and the marginal social costs of cigarettes, including both the marginal private costs and external costs. Use the black point (plus symbol) to indicate the market equilibrium quantity. Next, use the purple point (diamond symbol) to indicate the socially optimal quantity. Finally, use the grey polygon (star symbol) to indicate the area representing market failure. PRICE OF CIGARETTES MSC Supply (MPC) Demand (MPB, MSB) QUANTITY OF CIGARETTES Market Output Socially Optimal Output Market failure ?

Exploring Economics

8th Edition

ISBN:9781544336329

Author:Robert L. Sexton

Publisher:Robert L. Sexton

Chapter8: Market Failure

Section: Chapter Questions

Problem 2P: Draw a standard supply and demand diagram for televisions, and indicate the equilibrium price and...

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Table 12.12, shows the supply and demand conditions for a firm that will play trumpets on the streets when requested. QS1 is the quantity supplied without social costs. QS2 is the quantity supplied with social costs. What is the negative externality in this situation? Identify the equilibrium price and quantity when we account only for private costs, and then when we account for social costs. How does accounting for the externality affect the equilibrium price and quantity?
Show the market for cigarettes in equilibrium, assuming that there are no laws banning smoking in public. Label the equilibrium private market price and quantity as Pm and Qm. Add whatever is needed to the model to show the impact of the negative externality from second-hand smoking. (Hint: In this case it is the consumers, not the sellers, who are creating the negative externality.) Label the social optimal output and price as Fe and Qe. On the graph, shade in the deadweight loss at the market output.
The many identical residents of Whoville love drinking Zlurp. Each resident has the following willingness to pay for the tasty refreshment: a. The cost of producing Zlurp is 150, and the competitive suppliers sell it at this price. (The supply curve is horizontal.) How many bottles will each Whovillian consume? What is each persons consumer surplus? b. Producing Zlurp creates pollution. Each bottle has an external cost of 1. Taking this additional cost into account, what is total surplus per person in the allocation you described in part (a)? c. Cindy Lou Who, one of the residents of Whoville, decides on her own to reduce her consumption of Zlurp by one bottle. What happens to Cindys welfare (her consumer surplus minus the cost of pollution she experiences)? How does Cindys decision affect total surplus in Whoville? d. MayorCrinch imposes a 1 tax on Zlurp. What is consumption per person now? Calculate consumer surplus, the external cost, government revenue, and total surplus per person. e. Based on your calculations, would you support the mayors policy? Why or why not?
Classify the following pollution-control policies as command-and-control or market incentive based. A state emissions tax on the quantity of carbon emitted by each firm. The federal government requires domestic auto companies to improve car emissions by 2020. The EPA sets national standards for water quality. A city sells permits to films that allow them to emit a specified quantity of pollution. The federal government pays fishermen to preserve salmon.
Do market demand curves reflect positive externalities? Why or why not?
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Table 12.5 provides the supply and demand conditions for a manufacturing film. The third column represents a supply curve without accounting for the social cost of pollution. The fourth column represents the supply curve when the film is required to account for the social cost of pollution. Identify the equilibrium before the social cost of production is included and after the social cost of production is included.
In the Land of Purity, there is only one form of pollution, called gunk. Table 12.14 shows possible combinations of economic output and reduction of gunk, depending on what kinds of environmental regulations you choose. Sketch a graph of a production possibility frontier with environmental quality on the horizontal axis, measured by the percentage reduction of gunk, and with the quantity of economic output on the vertical axis. Which choices display productive efficiency? How can you tell? Which choices show allocative efficiency? How can you tell? In the choice between K and L, can you say which one is better and why? In the choice between K. and N, can you say which one is better, and why? If you had to guess, which choice would you think is move likely to represent a command-and-control environmental policy and which choice is more likely to represent a market-oriented environmental policy, choice L or M? Why?
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2. Efficiency in the presence of externalities Trucks impose many external costs on society: heavy air and noise pollution, traffic safety issues and road congestion, and so on. Therefore, the market equilibrium quantity of diesel trucks does not equal the socially optimal quantity. The following graph plots the demand for diesel trucks (their private value), the supply of diesel trucks (the private cost of producing them), and the social cost of diesel trucks, including both the private cost and external costs. Use the black point (plus symbol) to indicate the market equilibrium quantity. Next, use the purple point (diamond symbol) to indicate the socially optimal quantity. PRICE OF DIESEL TRUCKS Social Cost Supply (Private Cost) Demand (Private Value) QUANTITY OF DIESEL TRUCKS + Market Equilibrium ■ Socially Optimal Level ?
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3. The effect of negative externalities on the optimal quantityof consumption Consider the market for electric cars. Suppose that a electric car manufacturing facility dumps sludge into a nearby river, creating a negative externality for those living downstream from the facility. Producing additional electric cars imposes a constant per-unit external cost of $160. The following graph shows the demand (private value) curve and the supply (private cost) curve for electric cars. Use the purple points (diamond symbol) to plot the social cost curve when the external cost is $160 per unit. ? PRICE (Dollars per unit of electric cars) 800 720 640 560 480 400 320 240 160 80 0 0 O ☐ 1 ☐ O ☐ O ☐ ☐ O 2 3 5 QUANTITY (Units of electric cars) ☐ Supply (Private Cost) O Demand (Private Value) 6 7 Social Cost 1.5 To create an incentive for the firm to produce the socially optimal quantity of electric cars, the government could impose a per unit of electric cars. 2 2.5 3 3.5 4 4.5 5 5.5 The market…