For an economy starting at potential output, a decrease in planned investment in the short run results in a(n):

Suppose an oil company wants to make its total revenue as large as possible. It should charge a price at which the demand for oil is:

a. elastic. b. unitary elastic. c. inelastic. d. perfectly inelastic.

It is often asserted that the United States no longer manufactures anything, and that instead it imports manufactured goods from countries like China. Critically evaluate this claim