The long-run aggregate supply curve is influenced by:

When you calculate your true costs of going to college, what portion of your room-and-board expenses should be included?

a. Your full room-and-board expenses should always be included. b. None of your room-and-board expenses should ever be included. c. You should include only the amount by which your room-and-board expenses exceed the income you earn while attending college. d. You should include only the amount by which your room-and-board expenses exceed the expenses for rent and food if you were not in college.

Which of the following would cause the dollar to appreciate?

A) an increase in the demand for dollars B) a decrease in the demand for dollars C) an increase in the supply of dollars D) an increase in the demand for imports from foreign countries