When goods do not have a price, which of the following primarily ensures that the good is produced（）
A. buyers
B. sellers
C. government
D. the market
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Which of the following statements about a well-maintained yard best conveys the general nature of the externality（）
A well-maintained yard conveys a positive externality because it increases the home’s market value
B. A well-maintained yard conveys a negative externality because it increases the property tax liability of the owner
C. A well-maintained yard conveys a positive externality because it increases the value of adjacent properties in the neighborhood
D. A well-maintained yard cannot provide any type of externality
Altering incentives so that people take account of the external effects of their actions（）
A. is called internalizing the externality
B. can be done by imposing a corrective tax
C. is the role of government in markets with externalities
D. all the answers are correct
The Coase theorem suggests that private markets may not be able to solve the problem of externalities（）
A. if the government does not become involved in the process
B. when the number of interested parties is large and bargaining costs are high
C. if the firm in the market is a monopoly
D. if some people benefit from the externality
Markets are often inefficient when negative externalities are present because（）
A. private costs exceed social costs at the private market solution
B. externalities cannot be corrected without government regulation
C. social costs exceed private costs at the private market solution
D. production externalities lead to consumption externalities
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