An increase in demand is represented by a
A) shift of the demand curve to the left.
B) shift of the demand curve to the right.
C) movement down the demand curve.
D) movement up the demand curve.
B
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When a market is monopolistically competitive, the typical firm in the market is likely to experience a
a. positive profit in the short run and in the long run. b. positive or negative profit in the short run and a zero profit in the long run. c. zero profit in the short run and a positive or negative profit in the long run. d. zero profit in the short run and in the long run.
For a firm, we define the short run as a period of time during which
A) at least one input cannot be changed. B) all inputs can be changed. C) only the plant size can be changed. D) all inputs cannot be changed.