The market for a competitive price-taker market clears at a price of $3, and the minimum average cost for all firms is $2.50 . In the long run, we would expect an increase in
a. each firm's output.
b. the number of firms.
c. each firm's profit.
d. each firm's average cost.
B
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For the past 15 years the American public has wanted to buy big trucks. The Big Three automakers delivered, investing billions in plants that build gas guzzlers. Now, when customers walk into showrooms, gas mileage is on their mind
Retooling the industry will take years, so in the meantime GM, Ford and Chrysler are tweaking their existing models. They're changing tires, adjusting transmissions and exhaust valves in hopes of getting one or maybe two more miles per gallon. Which of the decisions by the Big Three to gain gas mileage is a short run decision? A) adjusting exhaust valves B) adjusting transmissions C) changing tires D) All of these decisions are short run decisions.
If the price of potato chips increases, other things constant, demand for potato-chip dip will
a. not change; only quantity demanded will change b. increase because the goods are substitutes c. decrease because the goods are substitutes d. decrease because the goods are complements e. increase because the goods are complements
In the 1960s and early 70s, economists believed that the Phillips curve indicated: a. a menu of macroeconomic choices available to policy makers
b. that higher levels of employment could be achieved with lower inflation. c. that higher inflation was the price for more unemployment. d. all of the above.
New York consumers are charged five cents for every can or bottle of soda or beer that they purchase. Consumers are refunded five cents for every can or bottle that they return to a recycling center. Which environmental policy is used by New York?
a. Pollution charge b. Cap-and-trade c. Marketable permit program d. Command-and-control regulation