Can purchasing-power parity be used to explain the fact that the U.S. dollar depreciated by more than 50 percent against the German mark between 1970 and 1998, but appreciated by more than 100 percent against the Italian lira during the same period? Defend your answer
The theory of purchasing-power parity suggests that Italy must have experienced much more inflation than the United States while Germany must have experienced much less inflation. In fact, that is exactly what has happened.
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One could argue that price competition among oligopolistic firms is highly likely to cause the revenues of individual firms to decline, while competition on the basis of product differentiation could cause demand, and total revenues, of individual
firms to increase. Indicate whether the statement is true or false
The key disadvantage of the kinked-demand model is that it:
A) explains why firms may collude, but it does not explain how they interact. B) does not explain why prices may be rigid in an oligopoly. C) requires the assumptions of perfect competition. D) only holds under price leadership.
If a monopolistically competitive firm raises its price, it
a. loses all of its customers (sales drop to zero) b. loses some, but not all, of its customers c. loses very few customers d. loses no customers at all e. gains customers (sales increase)
The government would challenge any merger in an industry if (i) the post-merger Herfindahl index would exceed 1,000, and (ii) the merger would increase the index by more than 100 points
Indicate whether the statement is true or false