Which of the following is true about renewable resources?
a. Land resources include oil, coal, and natural gas that have a fixed stock.
b. Land resources include irrigation networks and wastewater treatment plants that utilize water
c. Land resources include air filtration systems in buildings that renew and refresh polluted air from the outside.
d. Land resources include forests, range lands, and marine fisheries that naturally regenerate.
d
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Economist Robert Fogel has estimated that by the year 2040, individuals in the United States will be spending
A) more time in the workforce and more time in leisure activities than they do today. B) less time in the workforce and less time in leisure activities than they do today. C) more time in the workforce and less time in leisure activities than they do today. D) less time in the workforce and more time in leisure activities than they do today.
A lump-sum tax minimizes deadweight loss
a. True b. False Indicate whether the statement is true or false
Refer to the information provided in Figure 15.4 below to answer the question(s) that follow. 
Figure 15.4 Refer to Figure 15.4. Assume The Hand Made Shirt Shop has fixed costs of $150 and is a monopolistically competitive firm. If the firm produces 50 personalized sweatshirts in the short run, it will
A. not cover any of its costs. B. minimize losses. C. minimize profits. D. break even.
Each of the following is a provision of the 1996 welfare reform law except that
A. the federal guarantee of cash assistance for poor children is ended. B. the head of every welfare family would have to work within 2 years or the family would lose benefits. C. after receiving welfare for two months adults must find jobs or perform community service. D. women who have more children while on welfare will have their benefits reduced.