The opportunity cost of an activity means the:
A. amount of money the activity costs.
B. expected gains minus the expected costs of engaging in the activity.
C. expected gains by engaging in the activity.
D. amount of other things that must be sacrificed in order to engage in the activity.
Answer: D
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People of Moifo, a small island country, use oranges in exchange for various goods and services. If all the oranges are of uniform quality, which of the following is likely to cause a collapse of the orange currency in Moifo? a. Oranges cannot serve as a medium of exchange. b. Oranges cannot serve as a unit of account
c. Oranges cannot store value. d. Oranges are not grown in the territory of Moifo.
Oligopolistic agreements on price tend to be unstable because
a. although the monopoly price is the best price for all firms, oligopolists are unaware of this and thus charge prices that are lower than the price that could be charged by a monopolists, therefore, decreasing social welfare. b. although the monopoly price maximizes the joint profits of the firms, a secret price cut by any individual firm will increase the profits of that firm; hence, collusive agreements tend to break down. c. the demand for the products of oligopolistic industries is inherently unstable relative to the demand for the products of non-oligopolistic industries because demand for products in oligopolistic industries are dependent on changes in consumer tastes and preferences. d. firms in oligopolistic industries have more concern for consumers than do firms in competitive industries.
All else equal, an increase in the rate of inflation ________ planned spending and ________ short-run equilibrium output.
A. decreases; decreases B. increases; decreases C. decreases; increases D. increases; increases
When prices are allowed to fluctuate after a crisis, such as Hurricane Katrina, the high prices
A) provide information to suppliers about where goods and services are most highly desired. B) are evidence of price gouging. C) justify government intervention. D) All of the above.