Category: Externality & Internality

A positive externality generates ?

A. a social cost curve that is above the supply curve (private cost curve) for a good
B. none of these answers
C. a social value curve that is above the demand curve (private value curve) for good
D. a social value curve that is below the demand curve (private value curve) for a good

Roberto and Thomas live in a university hall of residence. Reberto values playing loud music at a value of €100. Thomas values peace and quiet at a value of €150. Which of the following statements is true about an efficient solution to this externality problem if Roberto has the right to play loud music and if there are no transaction costs ?

A. Thomas will pay Roberto between €100 and €150 and Roberto will continue to play loud music
B. Roberto will pay Thomas €150 and Roberto will continue to play loud music
C. Thomas will pay Roberto between €100 and €150 and Roberto will stop playing loud music
D. Roberto will pay Thomas €100 and Roberto will stop playing loud music

Suppose an industry emits a negative externality such a pollution and the possible methods to internalize the externality are command-and-control policies, pigovian taxes, and tradable pollution permits. If economists were to rank these methods for internalizing a negative externality based on efficiency ease of implementation and the incentive for the industry to further reduce pollution in the future, they would probably rank them in the following order (from most favored to least favored) ?

A. Pigouvian taxes, command-and-control policies, tradable pollution permits.
B. tradable pollution permits, Pigouvian taxes, command-and-control policies
C. tradable pollution permits command-and-control policies, Pigovian taxes.
D. command-and-control policies, tradable pollution permits, Pigovian taxes.
E. They would all rank equally high because the same result can be obtained from any one of the policies

A negative externality generates ?

A. a social cost curve that is below the supply curve (private cost curve) for a good
B. none of these answers
C. a social cost curve that is below the supply curve (private cost curve) for a good
D. a social value curve that is above the demand curve (private value curve) for a good

Which of the following is true regarding tradable pollution permits and Pigouvian taxes ?

A. All of these answers are true
B. Pigouvian taxes and tradable pollution permits create an efficient market for pollution.
C. Tradable pollution permits efficiently reduce pollution only if they are initially distributed to the firms that can regulator pollution at the lowest cost.
D. To set the quantity of pollution with tradable pollution permits, the regulator must know everything about the demand for pollution rights.
E. Pigovian taxes are more likely to reduce pollution to a targeted amount than tradable pollution permits.