The long run is best defined as:
A. a period of time sufficiently long that at least one factor of production is fixed.
B. the period of time between annual accounting reports.
C. one year or more.
D. a period of time sufficiently long that all factors of production are variable.
Answer: D
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In the foreign exchange market, an increase in the U.S. interest rate leads to ________ in the exchange rate because the supply of dollars ________
A) a fall; decreases B) a rise; increases C) a rise; decreases D) no change; does not change E) a fall; increases
Which two factors make regulating mergers complicated?
A) First, the Federal Trade Commission and the Antitrust Division of the U.S. Department of Justice must both approve mergers. Second, the concentration ratios that are used to evaluate the degree of competition the merged firms face are flawed. B) First, the time it takes to reach a decision to approve a merger is so long that the firms often have new owners and mangers. Second, by law, government officials are not allowed to consider the impact of foreign trade (exports and imports) on the degree of competition in the markets of the merged firms. C) First, it is not always clear what market firms are in. Second, the newly merged firm might be more efficient than the merging firms were individually. D) First, firms may lobby government officials to influence their decision to approve the merger. Second, by the time the government officials reach a decision regarding the merger, the firms often decide not to merge.