Government regulation of the prices and entry conditions in an industry is an example of

What would be an optimal tax on pollution (a negative externality)?

a) one for which producers internalize the cost of the pollution b) one for which a benevolent social planner is able to maximize production c) one for which producers choose not to produce any pollution d) one for which the value to consumers at market equilibrium exceeds the cost of production (including tax)

In economic analysis, air pollution, water pollution, and scenery destruction are considered to be

A) externalities. B) internalities. C) private costs. D) marginal benefits.