A medical doctor who specializes in a particular field (e.g., surgery) generally earns more than a general practitioner because
a. of greater education and training requirements
b. of differences in labor mobility
c. a general practitioner is more likely to work in an urban area
d. of discrimination
e. a general practitioner treats a greater number of patients per day
QUESTION 2Because more than half the federal welfare budget goes for health care, almost zero U.S. residents lacked health insurance in 2006.
a. True
b. False
QUESTION 3Two workers are employed in the same job by the same firm; however, they are paid different wage rates. This could be explained by differences in
a. the income effect
b. the price of the firm's output
c. their marginal products due to differences in ability
d. working conditions
e. risk
QUESTION 4Social Security and Medicare, programs that benefit the elderly primarily, make up the greatest share of federal redistribution programs since 1962.
a. True
b. False
QUESTION 5Which of the following could explain why hockey players earn such high income?
a. All of the following are correct.
b. Average careers are very short; the chances of being unemployed are greater than in many other jobs.
c. The income effect encourages them to work more as the wage increases.
d. Many people want to become hockey players.
e. The threat of injury makes the job more exciting than other jobs.
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