Suppose there are three power-generating plants, each of which has access to 5 different production processes. The table below summarizes the cost of each production process and the corresponding number of tons of smoke emitted each. Process(smoke/day) A(4 tons/day) B(3 tons/day) C(2 tons/day) D(1 ton/day) E(0 tons/day) Cost to Firm X ($/day) $500$514$530$555$585 Cost to Firm Y ($/day) $400$420$445$480 $520Cost to Firm z ($/day) $300$325$360$400 $550For all three firms, the marginal cost of pollution abatement is:
A. increasing
B. decreasing
C. decreasing and then increasing
D. constant
Answer: A
Economics
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Suppose the dollar rises from 100 to 125 yen. As a result,
a. imports from Japan will likely increase. b. exports to Japan will likely increase. c. Japanese tourists will be more likely to visit the United States. d. U.S. businesses will less likely use Japanese shipping lines to transport their products.
Economics
With an upward sloping SAS curve, an expansionary monetary policy that affects the price level but not real output could be the result of a shift of:
A. only the SAS curve. B. both the AD and SAS curves. C. neither the SAS curve nor the AD curve. D. only the AD curve.
Economics