3 - Externalities Flashcards
How does externalities related to welfare theorem?

Examples of externalities

Graph:
Negative externalities and deadweight loss

A simple model of externalities: consumers
1) Consumer budget constraint
2) Consumers utility

Equations:
1) Firms maximise profit
2) Individuals maximise utility
3) Private marginal benefits = private marginal cost in equilibrium

1) List the social welfare equation
2) Perturbation argument

Solutions to externalities

Explain Coasian Bargaining

Coase Theorem

Limits to Coasian Bargaining

1) When should the government intervene in cases externalities?
2) Types of public solutions to externalities
3) What do the methods differ in?

1) Explain Pigouvian taxation
2) Practical limitations

Graphically show pollution tax

1) Explain Regulation as a public sector solution
2) Advantages and disadvantages

Show allocative inefficiency with heterogenous cost under Regulation as a public sector solution
- Efficient regulation requires knowing each firm’s cost function
- Cap-and-trade and taxation both avoid this

Explain permits/cap-and-trade as a public sector solution

Explain cap-and-trade equilibrium graphically

What information do we need to know to determine the solutions for externalities in reality?

General issues with survey data

Explain house price capitalization

Explain the model of capitalization

Explain the experiment regarding air quality and house price

Explain the experimental result regarding air quality and house prices

Explain internalities







