Econ Micro (book Only)
6th Edition
ISBN: 9781337408066
Author: William A. McEachern
Publisher: Cengage Learning
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Question
Chapter 17, Problem 4P
To determine
The net gain if the government fixes the price above the optimal level.
Concept Introduction:
The positive or negative consequences faced by an unrelated third party or parties due to the performance or undertaking of an economic activity are known as externalities. The cost of economic activity incurred by a third party or parties is known as negative externalities.
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5) Suppose:
i) the price of gasoline is $2 per gallon
ii) current consumption is 400 (million) gallons per day
iii) the elasticity of demand is -0.8
iv) retail provision of gasoline may be approximated as a constant cost industry
v) there is an external cost of $0.5 per gallon of gas.
Calculate deadweight loss associated with the externality. Draw a figure to illustrate.
9. Efficiency in the presence of externalities
Parks confer many external benefits on society: open space, trees that reduce pollution, and so on. Therefore, the market equilibrium quantity of
parks is not equal to the socially optimal quantity. The following graph shows the demand for parks (their private value), the supply of parks (the
private cost of producing them), and the social value of parks, including both the private value and external benefits.
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.
Supply
(Private Cost)
Market Equilibrium
Socially Optimal Level
Social Value
Demand
(Private Value)
QUANTITY OF PARKS
PRICE OF PARKS
3. The effect of negative externalities on the optimal quantity of 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 $210. 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 $210 per unit
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- 3. The effect of negative externalities on the optimal quantity of 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 $600. 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 $600 per unit. PRICE (Dollars per unit of electric cars) 2000 1800 1600 1400 1200 1000 800 600 400 200 0 0 + 1 O □ ☐ O 2 3 4 5 QUANTITY (Units of electric cars) The market equilibrium quantity is ☐ Supply (Private Cost) 6 Demand (Private Value) 7 Social Cost (?) units of electric cars, but the socially optimal quantity of electric car production is To create an incentive for the firm to produce the socially optimal…arrow_forwardTable 10-3 Quantity (Units) Private Value (Dollars) Private Cost (Dollars) External Benefit (Dollars) 1 22 12 10 2 20 15 10 3 18 18 10 4 16 21 10 5 14 24 10 6 12 27 10 Refer to Table 10-3. Taking into account private and external benefits, the total surplus to society at the socially efficient quantity isarrow_forward3. Efficiency in the presence of externalities Roses confer many external benefits on society: the beauty they add to a room or garden, the wonderful aroma they give off, and so on. Therefore, the market equilibrium quantity of roses is not equal to the socially optimal quantity. The following graph shows the demand for roses (their private value), the supply of roses (the private cost of producing them), and the social value of roses (the private value and external benefits). 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.arrow_forward
- 7. In the figure below, which area is the efficiency loss from a negative externality? a) abc b) cde c) cef d) aef e) None of the above is correct. Price of cement 0 B AL D Q Marginal social cost Marginal private cost D Quantity of cementarrow_forward7) A Detroit factory is polluting more than the socially optimal amount. The city government then imposes a lump sum tax on the business, but the business didn't change how much they were polluting. Explain what was wrong with the city's decision.arrow_forward
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