The perfectly competitive firm's supply curve is:
a. that portion of the marginal cost curve which intersects and rises above the average total cost curve.
b. that portion of the marginal cost curve which intersects and rises above the average variable cost curve.
c. the entire marginal cost curve.
d. the rising portion of the average variable cost curve.
b
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An excess demand in a market implies that
a. the amount demanded is less than the amount supplied b. price is greater than the equilibrium price c. a shortage of the good exists d. a surplus of the good exists e. the government must implement a price ceiling
Refer to the information provided in Figure 17.1 below to answer the question(s) that follow. 
Figure 17.1 Refer to Figure 17.1. Dmitri has two job offers when he graduates from college. Dmitri views the offers as identical, except for the salary terms. The first offer is at a fixed annual salary of $40,000. The second offer is at a fixed salary of $20,000 plus a possible bonus of $40,000. Dmitri believes that he has a 50-50 chance of earning the bonus. If Dmitri takes the offer that maximizes his expected utility and is he is risk averse, then
A. he will take the first offer. B. he will take the second offer. C. he is indifferent between the offers-both yield the same expected utility. D. Indeterminate from the given information-we cannot say what he will do.