Rational behavior for an economist means that individuals
A. always value societal needs more than their own needs.
B. are self-sacrificing.
C. never change their minds.
D. are motivated by self-interest.
Answer: D
Economics
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The standard deviation around an expected value is a useful measure of
A) expected value of an asset. B) economic value of an asset. C) the difference between the best-case return of an asset and its worst-case return. D) deviation of an asset's actual returns from its expected returns.
Economics
Which of the following would not shift the demand curve for pork?
a. an increase in the price of beef b. an increase in the price of pork c. an increase in the incomes of pork consumers d. a widespread advertising campaign for pork e. a finding that consumption of beef increases the risk of heart attack
Economics