If a market is a duopoly and additional firms enter and do not cooperate, then
a. price and quantity fall.
b. price and quantity rise.
c. price falls and quantity rises.
d. price rises and quantity falls.
c
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In the mid-1970s, changes in oil prices greatly affected U.S. inflation. When oil prices rose, the U.S. would experience ________.
A. cost-push inflation and falling output B. demand-pull inflation and falling output C. cost-push inflation and rising output D. demand-pull inflation and rising output
A deadweight loss is created
A) only if the last unit produced has a marginal social benefit greater than its marginal social cost. B) only if the last unit produced has a marginal social cost greater than its marginal social benefit. C) only if the last unit produced has a marginal social benefit equal to its marginal social cost. D) if for the last unit produced, marginal social cost is greater than its marginal social benefit or if its marginal social benefit is greater than its marginal social cost.
A country with plenty of capital and little land may have a comparative advantage in:
A. land-intensive activities. B. capital-intensive activities. C. labor-intensive activities. D. technology-intensive activities.
Suppose the Fed injects $50 billion of new money by buying U.S. treasury bonds from the public. If the required reserve ratio is 10 percent, banks convert all excess reserves into loans, and the public hold all their money in their checking accounts rather than in cash, then by how much will the money supply ultimately increase due to this injection?
a. $5 billion b. $50 billion c. $500 billion d. $950 billion