The figure above shows the costs and benefits associated with producing paper. What is the marginal external cost when output is 6 tons?

Antitrust laws in other countries are weak in comparison to U.S. antitrust laws

a. True b. False Indicate whether the statement is true or false

A temporary decrease in the price of oil would be considered a:

A. long-run supply shock. B. demand shock. C. short-run supply shock. D. The changing price of oil would not affect any of these.