According to the search model, a computerized dating service should
a. reduce the amount of search
b. not affect the amount of search
c. increase quality dispersion
d. reduce quality dispersion
e. lower the marginal benefit of search
D
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In the early 19th century, the Russian government sent doctors to southern Russian villages to provide assistance during a cholera epidemic. The villagers noticed that wherever doctors appeared, people died. Therefore, many doctors were chased away from villages, and some were even killed. This reaction to the correlation between doctors and deaths is most likely a problem of
a. omitted variables. b. reverse causality. c. government propaganda. d. medical incompetence.
Which statement is false?
A. The primary labor market includes jobs in the skilled crafts, management, and the professions. B. The dual labor market consists of the primary market and the secondary market. C. The dual labor market theory doesn't account for the huge middle level of occupations—nursing, teaching, social work, and non-college-graduate positions in insurance, banking, and retailing. D. None of the statements are false.
Based on the diagram, if potential output equals 8,000 and the real interest rate is 4 percent, then there is ________ gap and the Fed must ________ the real interest rate so that output will equal potential output. 
A. a recessionary; lower B. no output; not change C. a recessionary; raise D. an expansionary; raise
Many people believe that monopolies charge any price they want to without affecting sales. Instead, the output level for a profit-maximizing monopoly is determined by:
A. Marginal revenue = Demand. B. Average total cost = Demand. C. Marginal cost = Demand. D. Marginal cost = Marginal revenue.