If an economy is in a liquidity trap, then the nominal interest rate is ________ and the only effective policy that can be used to stimulate the economy is ________

We say that goods are substitutes when they:

A. change a consumer's preferences for a good or service. B. can replace something consumers typically purchase at a significantly lower price. C. are consumed together, so that purchasing one will make a consumer more likely to purchase the other. D. serve similar-enough purposes that a consumer might purchase one in place of the other.

Since the late 1980s:

A. the Soviet socialist economic and political structure has fallen apart. B. the Soviet socialist economic and political structure has spread to other nations. C. the Soviet Union installed Soviet-dominated governments in a number of Eastern European countries. D. socialism has gained popularity among the governments of Eastern Europe.