Refer to the figure above. What is the gain in the market-wide consumer surplus when the price of calculators changes from $6 to $3?
A) $565
B) $580
C) $950
D) $1050
C
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Using rate-of-return analysis to determine who benefits and who does not benefit from the current structure of Social Security is
A. embraced by all. B. embraced not only by financial planners but also by most economists. C. rejected by those that view the program as social insurance rather than as an investment. D. rejected by everyone.
In which of the following occupations is union membership the highest?
a. sales b. transportation c. construction d. government
Suppose Jordan and Lee are trying to decide what to do on a Friday. Jordan would prefer to see a comedy while Lee would prefer to see a documentary. One documentary and one comedy are showing at the local cinema. The payoffs they receive from seeing the films either together or separately are shown in the payoff matrix below. Both Jordan and Lee know the information contained in the payoff matrix. They purchase their tickets simultaneously, ignorant of the other's choice. 
Which of the following statements is true?
A. For Lee, seeing a documentary is a dominant strategy. B. Lee's dominant strategy depends on Jordan's choice. C. For Lee, seeing a comedy is a dominant strategy. D. Lee does not have a dominant strategy.
A well-tested economic theory is often called:
A. a hypothesis. B. a prototype. C. a principle. D. an anomaly.