In Figure 3-3 above, equilibrium income is

The foreign purchases, interest rate, and real-balances effects explain why the:

A. Aggregate demand curve is downward-sloping B. Aggregate demand curve may shift to the left or right C. Economy will adjust towards equilibrium D. Aggregate expenditures schedule may shift up or down

Economies of scale mean that Amazon has advantages in ______ over small, local merchants.

a. customer service and goodwill b. cost savings in ordering, inventory, and checkout c. employee satisfaction and retention d. creativity and novelty