An investment pays $1,200 a quarter of the time; $1,000 half of the time; and $800 a quarter of the time. Its expected value and variance respectively are:
A. $1,000; 20,000 dollars2
B. $1,000; 40,000 dollars2
C. $1,000; 80,000 dollars2
D. $1,050; 20,000 dollars2
Answer: A
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One problem with using monetary policy to address "bubbles" in asset markets is that:
A. monetary policy is well-suited for addressing the problem of inappropriately high asset prices. B. reducing the real interest rate to deal with the bubble could lead to inflation. C. the Federal Reserve is not interested in stabilizing output. D. doing so presupposes that the Federal Reserve is better than financial-market professionals at identifying bubbles.
All of the following contributed to the downfall of the Soviet Union in 1991 except
A) lack of high-quality goods and services. B) public dissatisfaction with low living standards and political repression. C) an inability to produce low-cost consumer goods that households wanted. D) lack of a strong dictator who could coordinate economic activities.
Economic growth can be depicted as a
A) shift in the contract curve. B) a change in the dimensions of the Edgeworth box. C) a change in the preference curves of individuals. D) a change in the number of people in the Edgeworth box.
As a percentage of total expenditures, spending on highways has _____ since 1970 . Spending on interest payments has _____ over the same time span
a. increased; increased b. decreased; decreased c. increased; decreased d. decreased; increased