What is the difference between "diminishing marginal returns" and "diseconomies of scale"?
A) Both concepts explain why marginal cost increases after some point but diminishing marginal returns applies only in the short run when there is at least one fixed factor, while diseconomies of scale applies in the long run when all factors are variable.
B) Diminishing marginal returns, which applies only in the long run when all factors are variable, explains why average variable cost increases, while diseconomies of scale, which applies in the short run when at least one factor is fixed, explains why average total cost increases.
C) Diminishing marginal returns, which applies only in the short run when at least one factor is fixed, explains why marginal cost increases, while diseconomies of scale, which applies in the long run when all factors are variable, explains why average cost increases.
D) Both concepts explain why average total cost increases after some point but diminishing marginal returns applies only in the short run when there is at least one fixed factor, while diseconomies of scale applies in the long run when all factors are variable.
C
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All of the following have played a role in reducing union strength since 1970 except
a. rising service sector employment. b. foreign industrial competition. c. the Supreme Court's decision to apply antitrust laws to union organization efforts. d. "right-to-work" laws.
Which of the following would the Fed increase in order increase the supply of money?
a. open market purchases of government bonds b. reserve requirements c. discount rate d. all of the above