If a factor of production with a fixed supply is earning $100 in its current use and its next best use would yield earnings of $80, the factor is earning a pure economic rent equal to
A) $0.
B) $20.
C) $80.
D) $180.
B
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A real interest rate that causes the quantity of saving supplied to be equal to the quantity of saving (or investment) demanded is an example of the:
A. principle of comparative advantage. B. equilibrium principle. C. principle of increasing opportunity cost. D. scarcity principle.
Suppose the price of a can was $5.10. In this case, to maximize its profit, the firm illustrated in the figure above would
A) decrease its production and would make an economic profit. B) not change its production and would make zero economic profit. C) not change its production and would make an economic profit. D) decrease its production and would incur an economic loss. E) not change its production and would incur an economic loss.
Which of the following functions of money would be violated if inflation were high?
A) store of value B) medium of exchange C) unit of account D) certificate of gold
Monetary policy can
A) shift the short-run trade-off between inflation and unemployment if it affects expected inflation. B) shift the long-run trade-off between inflation and unemployment through changes in cyclical unemployment. C) shift both the short-run and long-run trade-offs between inflation and unemployment if changes in policy are credible. D) shift neither the short-run nor long-run Phillips curve trade-offs between inflation and unemployment.