Production possibilities frontiers are typically concave (bowed out) from the origin because
a. of the law of supply
b. there is usually a one-for-one trade-off in resources used in production
c. economies of scale enable firms to reduce the average costs of production as output rises
d. the opportunity cost of a good rises as the quantity of the good produced increases
e. resources are often left idle in the firm
D
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An increase in the foreign interest rate causes the demand for domestic assets to ________ and the domestic currency to ________, everything else held constant
A) increase; appreciate B) increase; depreciate C) decrease; appreciate D) decrease; depreciate
The general view of the governments of middle- and low-income countries such as Brazil, Nigeria, India, and China is that environmental protection is
a. a necessity. b. illegal. c. a luxury. d. undemocratic.
Technological change in modern societies is most likely the result of increases in
a. machine building. b. more natural resource use. c. education. d. the labor force.
Suppose when a monopolist produces 50 units its average revenue is $8 per unit, its marginal revenue is $4 per unit, its marginal cost is $4 per unit, and its average total cost is $3 per unit. What can we conclude about this monopolist?
a. The monopolist is currently maximizing profits, and its total profits are $200. b. The monopolist is currently maximizing profits, and its total profits are $250. c. The monopolist is not currently maximizing its profits; it should produce more units and charge a lower price to maximize profit. d. The monopolist is not currently maximizing its profits; it should produce fewer units and charger a higher price to maximize profit.