When collecting data to conduct research, if the sample used is not random, ________ occurs.
A. selection bias
B. survivor bias
C. difference-in-differences
D. regression discontinuity
Answer: A
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Each additional unit of output produced by a unit of labor is valued at the price of the firm's output
a. always. b. when the firm is selling in a competitive market. c. when the firm has monopoly power in the market for its output. d. when the firm has monopsony power in the market for labor.
Excess reserves that are voluntarily held by institutions are called:
a. Federal funds. b. Customary reserves. c. Preferred assets. d. Bank equity. e. Normal reserves.
The perceived demand for monopolistic competitor
A. disregards competitors. B. takes competitors into account. C. is flat. D. is steep.
Which one of these groups has the highest poverty rate?
A. The elderly B. Children C. White males over 50 D. Working class women