The intersection of the x axis and the y axis is called the
A) "meeting point."
B) origin.
C) "zero" point.
D) corresponding point.
B
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Kenneth Chay and Michael Greenstone examined the impact of reductions in air pollution since the passage of the Clean Air Act of 1970. Which of the following statements summarizes their findings?
A) In the two years following passage of the Act, fewer infants died than would have died if the Act had not been passed. B) The benefits of reducing the six main air pollutants in the two years following the Act greatly exceeded the costs. C) The marginal cost of reducing emissions of sulfur dioxide has increased over time as the marginal benefit of the reductions has increased. D) The marginal benefit of reductions in air pollution was less than the marginal cost.
Which of the following forms of unemployment probably imposes the greatest personal costs?
A) frictional unemployment. B) structural unemployment. C) cyclical unemployment. D) voluntary unemployment.
In perfect competition, environmental externalities need not distort the allocation of resources providing
a. transactions costs are zero. b. average costs are constant for all output levels. c. firms install pollution control equipment. d. the government sets realistic pollution standards.
Deficient information on unsafe products can cause:
a. overconsumption of a product. b. waste of resources used to produce a product. c. consumers to pay a higher price for a product. d. all of the above answers are true. e. none of the above answers a. - c. are true.