The marginal cost of pollution abatement is represented by
A) an upward sloping curve.
B) a downward sloping curve.
C) a horizontal curve.
D) a vertical curve.
A
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An increase in the real interest rate in the United States will cause the dollar to ________ relative to other currencies and ________ net exports and real GDP
A) appreciate; increase B) appreciate; reduce C) depreciate; increase D) depreciate; reduce
The long-run industry supply curve in perfect competition is derived from the
a. short-run industry supply curve which shifts as new firms enter the industry. b. short-run industry supply curve which shifts as old firms exit the industry. c. freedom of firms from sunk costs so that new cost curves become long-run curves. d. All of the above reasons.
A former senator remarked that "We cannot give anyone the option of polluting for a fee.". Do most economists agree with this statement, or do they disagree with it?
A small change in a variable is:
A. an average change. B. a ceteris paribus change. C. an efficient change. D. a marginal change.