One of the most, if not the most, severe recessions since World War II began in the

The marginal propensity to save (MPS) is computed as the change in:

a. savings divided by the change in saving. b. savings divided by the change in disposable personal income. c. saving divided by the change in GDP. d. None of these.

If the price of inputs rises and personal income taxes rise:

a. Aggregate demand rises, but aggregate supply does not change. b. Aggregate demand falls, and aggregate supply rises. c. Aggregate demand and aggregate supply rise. d. Aggregate demand and aggregate supply fall. e. Neither aggregate demand nor aggregate supply change.