A sudden crash in the stock market shifts
A: the aggregate-demand curve.
B: the short-run aggregate-supply curve, but not the long-run aggregate-supply curve.
C: the long-run aggregate-supply curve, but not the short-run aggregate-supply curve.
D: both the short-run and the long-run aggregatesupply curves.
A: the aggregate-demand curve.
B: the short-run aggregate-supply curve, but not the long-run aggregate-supply curve.
C: the long-run aggregate-supply curve, but not the short-run aggregate-supply curve.
D: both the short-run and the long-run aggregatesupply curves.
举一反三
- The short run industry supply curve can be found by horizontally summing the short run supply curves of all the individual firms in the industry.
- Rising oil prices in the U.S. during the 1970s caused the economy’s ( ) A: aggregate supply curve to shift to the right. B: aggregate supply curve to shift to the left. C: aggregate demand curve to become vertical. D: aggregate demand curve to become horizontal.
- Two interpretations of the IS-LM model are that the model explains：（ ） A: the short-run quantity theory of income, or the short-run Fisher effect. B: changes in government spending and taxes, or the determination of the supply of real money balances. C: the determination of investment and saving, or what shifts the liquidity preference schedule. D: the determination of income in the short run when prices are fixed, or what shifts the aggregate demand curve.
- Which of the following is a FALSE statement? A: the very long run focuses on the growth of productive capacity B: in the very long run, the productive capacity is assumed to be given C: in the very short run, shifts in aggregate demand determine how much output is produced D: fluctuations in the rates of inflation and unemployment are important long-run issues E: at the full-employment level of output, capital is not used 100 percent
- 中国大学MOOC: All explanations for the upward slope of the short-run aggregate supply curve suppose that the quantity of output supplied increases when the actual price level exceeds the expected price level