Linda earned an income of $3,000 per month, which has now increased to $3,500 per month. She saves 10 percent and spends the remainder on food, lodging and other expenses. So far, she has managed to save $20,000. What is her marginal propensity to save (MPS)?
What will be an ideal response?
Her marginal propensity to save is 0.10.
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If the currency drain ratio is zero, which of the following situations leads to the greatest total increase in the quantity of money?
A) an increase in the monetary base of $250,000 when the desired reserve ratio is 15 percent B) an increase in the monetary base of $100,000 when the desired reserve ratio is 5 percent C) an increase in the monetary base of $120,000 when the desired reserve ratio is 10 percent D) an increase in the monetary base of $100,000 when the desired reserve ratio is 50 percent E) an increase in the monetary base of $200,000 when the desired reserve ratio is 20 percent
The table above lists the market shares of the twenty makers of personal computers. Based upon the Herfindahl-Hirschman Index for this industry, the Justice Department would
A) regard the industry as highly concentrated. B) be against any two firms merging. C) consider the market oligopolistic. D) regard the industry as competitive.
The slope of a horizontal straight line is infinity
a. True b. False
In a business cycle, the high point of economic activity is called
A. a peak B. a trough C. a zenith D. a high