B) has covered its variable cost.
C) is making short-run profits.
D) may or may not produce in the short run, depending on whether total revenue covers
variable cost.
How does an increase in a country’s exchange rate affect its balance of trade?
A) An increase in the exchange rate raises imports, reduces exports, and reduces the
balance of trade.
B) An increase in the exchange rate reduces imports, raises exports, and reduces the
balance of trade.
C) An increase in the exchange rate reduces imports, raises exports, and increases the
balance of trade.
D) An increase in the exchange rate raises imports, reduces exports, and increases the
balance of trade.
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.