Having a competitive advantage emanates from

Explain why the short-run supply curve is not vertical, but the long-run aggregate supply curve is vertical

A corrective tax equal to the external cost imposed on third parties levied on polluters will: a. eliminate all pollution

b. increase the level of pollution. c. force polluters to internalize the external cost resulting from their actions. d. usually have no impact whatsoever on pollution levels, but will generate tax revenue for the government.