Most economists agree that, overall, U.S. antitrust policy has been most successful in:

Consider the above figure. At income level Yd = $30, the APC is equal to

A) 0.05. B) 1.05. C) 1.25. D) 1.67.

The International Space Station is a joint project of the United States, Russia, Japan, Canada and the European Union. This suggests that _____

a. if the space station is a public good then the optimal size of the sharing group is larger than one country b. each country would have been unable to raise the money to pay for the space station on their own c. there are significant negative externalities involved that should be spread over more individuals d. Australians do not value space exploration