The above figure shows the cost curves for a perfectly competitive firm. If all firms in the market have the same cost curves and the price equals $16 per unit
A) the market is in its long-run equilibrium.
B) over time, firms will leave this market.
C) the firm is making zero economic profit.
D) over time, the price will fall as new firms enter the market.
D
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Assume there is an increase in the number of consumers in the market for a good sold by perfectly competitive firms that are initially producing the profit-maximizing level of output. For the individual firm, this would result in:
A) a decrease in both price and the profit-maximizing quantity of output. B) a decrease in price and increase in the profit-maximizing quantity of output. C) an increase in both price and the profit-maximizing quantity of output. D) an increase in price and decrease in profit-maximizing quantity of output.
When the English pound appreciated against a colonial currency, this signaled
(a) that colonists needed more colonial currency to buy an English pound. (b) that colonists needed less colonial currency to buy an English pound. (c) that colonists needed more colonial and Spanish currency to buy an English pound. (d) nothing of economic importance.