Economic theory is a necessity, not a luxury. This statement is true because theory
a. always leads to practical and useful policy.
b. can prevent depressions in the economy.
c. substitutes for vast amounts of data.
d. provides a structure for organizing and analyzing data.
e. always leads to accurate predictions.
d
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An important difference between a perfectly competitive firm and a monopolist is that
a. the perfectly competitive firm tends to be larger b. only the monopolist attempts to maximize profit c. only the perfectly competitive firm maximizes profit d. the perfectly competitive firm faces a horizontal demand curve and the monopolist faces a downward-sloping demand curve e. only the monopolist maximizes profit at the quantity where marginal cost equals marginal revenue
The entry of new firms into a market stops when:
a. the accounting profit of existing firms falls to zero. b. the general price level in the economy rises. c. the rate of interest in the economy declines. d. the economic profit of existing firms falls to zero. e. the corporate taxes are relaxed.
What effect does the following transaction have on the U.S. balance of payments? (Choose the proper debit and credit entries.)Ford Motor Company (U.S.) purchases automobile parts from Mexico and agrees to pay the Mexican supplier in Mexican pesos in 90 days
a. Debit the U.S. financial account; credit the U.S. current account. b. Credit the U.S. financial account; debit the U.S. current account. c. Debit the U.S. financial account; credit the U.S. financial account. d. Credit the U.S. financial account; debit errors and omissions.
Social welfare can be enhanced by allowing firms to trade their rights to pollute
a. True b. False Indicate whether the statement is true or false