The average total cost curves for Plant 1, ATC0, and Plant 2, ATC1, are shown in the figure above. Over what range of output is it efficient to operate Plant 1?

In long-run equilibrium after a permanent money-supply increase there follows:

A) an increase in exchange rate, E. B) a decrease in exchange rate, E. C) an increase in output, Y. D) a decrease in output, Y. E) an unchanged exchange rate, E.

To some economists, the "Great moderation" means:

a. a small change in real wages. b. a low inflation rate. c. a low unemployment rate. d. low output growth variability. e. low money supply growth.