A monopolist has total cost TC = Q2 + 10Q + 100 and marginal cost MC = 2Q + 10 . It faces demand Q = 130- P (so its marginal revenue is MR = 130 - 2Q). Its profit-maximizing output
a. 30
b. 25
c. 20
d. 10
a
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In the Cournot model, if one firm increases its output
A) the market will not clear because now there is a surplus. B) the market price drops, reducing the revenues received by the other firms. C) the others will kick it out of the oligopoly. D) the other firms are unaffected.
Use the above figure. The profit-maximizing output and price for this monopolistically competitive firm are respectively
A) 100 and $19. B) 160 and $13. C) 160 and $16. D) 210 and $15.
The concept that it is very difficult to consistently pick winners in the stock market without inside information is known as: a. a random walk
b. a double coincidence of wants. c. the crowding out effect. d. arbitrage.
Because depreciation of the real exchange rate of the dollar increases U.S. net exports, the demand curve for dollars in the foreign-currency exchange market is downward sloping
a. True b. False Indicate whether the statement is true or false