A variable is standardized in the sample:
A. by multiplying by its mean.
B. by subtracting off its mean and multiplying by its standard deviation.
C. by subtracting off its mean and dividing by its standard deviation.
D. by multiplying by its standard deviation.
Answer: C
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All else constant, an improvement in technology would cause a firm's total, average and marginal product functions to increase (graphically, shift up)
Indicate whether the statement is true or false
Which of the following is true of an increase in the federal government budget surplus? a. An increase in surplus results in a decrease in the national saving. b. An increase in surplus shifts the aggregate demand curve rightward. c. An increase in surplus increases the federal debt
d. An increase in surplus dampens aggregate demand in the short run. e. An increase in surplus increases the natural rate of unemployment.
The stable to declining quality of the labor force in the United States has been brought about by which of the following:
A. the increasing number of immigrants in the work force B. the decline in the quality of our education system C. the higher level of living D. the exodus of highly educated citizens
Assume that a consumer purchases only two products and there is a decrease in the consumer's income. The prices of the two products stay constant. The decrease in income will result in a:
A. Shift of the budget line inward to the left B. Shift of the budget line outward to the right C. A decrease in the slope of the budget line D. An increase in the slope of the budget line