An economic expansion caused by a shift in aggregate demand causes prices to
a. rise in the short run, and rise even more in the long run.
b. rise in the short run, and fall back to their original level in the long run.
c. fall in the short run, and fall even more in the long run.
d. fall in the short run, and rise back to their original level in the long run.
a
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In a competitive market with no externalities,
A) the consumer surplus is equal to zero because of competition. B) buyers cannot control the price, so the consumer surplus is zero. C) at the equilibrium price, marginal benefit exceeds marginal cost. D) at the equilibrium price, marginal benefit equals marginal cost. E) at the equilibrium price, the total amount of consumer surplus equals the total amount of producer surplus.
A rise in the price level changes aggregate demand because
A) firms increase their investment when prices are higher. B) the real value of people's wealth varies directly with the price level and so does their spending. C) the real value of people's wealth decreases and so they decrease their consumption. D) the more money people have, the more it is worth and hence the more goods and services they demand.
A Supreme Court ruling in March 1996 held that
A) state laws to prevent banks from selling insurance can be superseded by federal rulings from banking regulators that allow banks to sell insurance. B) state laws to prevent banks from selling insurance cannot be superseded by federal rulings from banking regulators that allow banks to sell insurance. C) state laws to prevent banks from selling insurance can be superseded only if Congress enacts legislation that allow banks to sell insurance. D) state laws to prevent banks from selling insurance cannot be superseded by federal legislation.
The newest evidence on Head Start suggests that ________ participants are more likely to go to college later in life than equally-situated non-participants.
A. white B. all C. African-American D. Asian