The ceteris paribus assumption is used in economic analyses in order to:
a. cover special cases
b. include all relevant factors.
c. add realism.
d. keep the relationship between the two variables isolated from other events.
d
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Between 1960 and 1995, Social Security benefits:
A. increased, which increased the poverty rate among the elderly. B. decreased, helping reduce the poverty rate among the elderly. C. increased, helping reduce the poverty rate among the elderly. D. decreased, which increased the poverty rate among the elderly.
The money supply known as M3
a. does not include credit union accounts b. excludes certificates of deposit c. includes M2 + large denomination time deposits and repurchase agreements d. excludes travelers' checks e. does not include demand deposits
The opportunity cost of production differs from an accounting definition of a firm's costs because it includes
a. expenditures the firm undertakes for research and development. b. the opportunity cost of assets and financial resources owned by the firm. c. the direct monetary cost of purchasing resources. d. the firm's revenue as a cost.
A change in which of the following will cause the aggregate demand curve to shift?
a) energy prices b) productivity rates c) consumer wealth d) prices of inputs e) prices of consumer goods