Which of the following occurs when an economic activity has a spillover benefit on third parties not engaged in the activity?
A) An economic profit
B) A positive externality
C) A gain in producer surplus
D) A gain in consumer surplus
B
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Suppose an increase in price decreases quantity demanded from 210 to 190. Using the mid-point formula, the percentage change in quantity demanded is:
A. 2 = 200 percent. B. 0.2 = 20 percent. C. 0.2 = 20 percent. D. 0.1 = 10 percent
The marginal productivity theory of distribution holds that
A. each factor is paid what it deserves. B. the owner of each factor is paid the amount that the factor contributes to earnings. C. each factor’s income depends on how hard it works. D. each factor receives an equal share of the revenue from production.
If P = MC for all goods in a free-market economy, then
a. the desire for utility maximization will lead consumers to buy the amount of each good at which MU = MC. b. the desire for profit maximization will lead consumers to buy the amount of each good at which MU = MC. c. the desire for utility maximization will lead consumers to buy only those goods that have low opportunity costs. d. the desire for profit maximization will lead all firms to stop producing in the long run (though possibly not in the short run).
The advantages of a currency union may extend to political relationships, too. How?
A) Currency unions, unfortunately, create political dissension. B) Currency unions can be used by the larger nations to grab political power. C) Currency unions reduce each nation's individual political power. D) Currency unions enhance each nation's identification with other nations in the currency union.