Short-run macroeconomic equilibrium occurs when
A) aggregate demand and short-run aggregate supply intersect.
B) the equilibrium lies on the long-run aggregate supply curve.
C) structural and frictional unemployment equal zero.
D) A and B
Suppose we want to use game theory to analyze how an oligopolist selects its optimal
price. The cells of the payoff matrix show
A) the profit that each producer can expect to earn by pursuing a single strategy.
B) the profit that each producer can expect to earn from every combination of strategies
by the firms in the market.
C) the strategy that a firm must pursue to earn various levels of profit.
D) the expected profits of rival firms.
A Big Mac costs $4.56 in the United States and 9.2 zlotys in Poland. If the exchange
rate is 3 zlotys per dollar, purchasing power parity predicts that
A) the dollar is undervalued.
B) the dollar is overvalued.
C) the zloty is overvalued.