If an industry evolves from monopolistic competition to oligopoly, we would expect:
A. the four-firm concentration ratio to decrease.
B. the four-firm concentration ratio to increase.
C. the four-firm concentration ratio to remain the same.
D. barriers to entry to weaken.
Answer: B
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a. True b. False
Someone in Germany has just ordered a U.S. car to be exported to Germany. In the U.S. balance of payments, this purchase is a(n)
A) accounting identity. B) special draw. C) surplus item. D) deficit item.
A fixed exchange rate is:
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Interest rate (on any bond) is equal to
A. Sum of risk free (Treasury) interest rate + risk premium. B. Risk free ( Treasury) interest rate – risk premium C. Risk free (Treasury) interest rate. D. None of these.