While it is possible to erect barriers to foreign competition and save domestic jobs, restricting international trade may impose large costs on an economy

Suppose when a car wash has 2 washing stations and 5 workers and is able to wash 100 cars per day. When it adds a third station, but no more workers, it is able to wash 150 cars per day. The marginal product of the third washing station is:

a. 100 cars per day. b. 150 cars per day. c. 5 cars per day. d. 50 cars per day.

The achievement of greater efficiency in the United States has been at the expense of growing inequality.

Answer the following statement true (T) or false (F)