Which of the following statements is true?
a. To maximize profits, a firm must maximize total revenue.
b. In long-run equilibrium, a competitive firm produces at the point of minimum
average total cost.
c. In the short-run, a perfectly competitive firm produces where total cost is minimum.
d. In the short-run, a perfectly competitive firm will close down whenever price is less
than average total cost.
A public transit company finds that when it reduces the price of a bus ticket, total
revenues remain the same. One can conclude from this that:
a. the demand curve is horizontal, reflecting infinite price elasticity.
b. the company sells the same number of bus tickets both before and after the price
change.
c. the demand curve for bus tickets must have shifted to the right.
d. the firm is operating in a range of the demand curve that is unit elastic.
e. the price should be lowered further so that a larger quantity can be sold.
Exhibit 2-7 Production possibilities curve