For the average homeowner, which of the following tasks is most likely to be contracted for?

In the classical model, the supply-determined nature of output is illustrated by a(n)

a. horizontal aggregate supply curve. b. vertical aggregate supply curve. c. upward sloping aggregate supply curve. d. downward sloping aggregate supply curve.

If the demand curve a firm faces shifts to the right, usually

a. it would be impossible to tell whether the marginal revenue curve shifts. b. the marginal revenue curve would shift to the left. c. the marginal revenue curve would shift to the right. d. the marginal revenue curve would not shift.