A firm that wants to maximize profits should hire each input to the point where
A) its marginal revenue product divided by the price of the input equals one.
B) its marginal revenue product divided by its marginal physical product equals the wage.
C) its marginal revenue product divided by the product price equals one.
D) its marginal physical product divided by the price of the input equals the product price.
Answer: A
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A central bank with a fixed exchange rate must, in response to an interest rate decline in the anchor-currency economy, ________
A) purchase the anchor currency B) sell the anchor currency C) convene a currency board D) revalue its currency
The government unit that wants to achieve "revenue enhancement" will find it considerably more favorable to enact an excise tax on goods whose demand is
A) highly elastic. B) relatively elastic. C) highly inelastic. D) unitary elastic.
When the Fed purchases U.S. government securities through the open market, the money supply: a. increases, the interest rate falls, and the quantity of money demanded increases. b. falls, the interest rate falls, and the quantity of money demanded increases
c. increases, the interest rate increases, and the quantity of money demanded increases. d. falls, the interest rate increases, and the quantity of money demanded falls. e. falls, the interest rate falls, and the quantity of money demanded falls.
Deviations from purchasing power parity will be increasingly higher as international trade tariffs become more restrictive. The main reason for this phenomenon is that:
a. arbitrage activities become less profitable. b. governments prefer purchasing power parity not to hold. c. the interest rate parity fails to hold. d. goods become more differentiated across countries. e. individuals develop hatred toward closed economies.