The assumption that nothing changes except the variables being studied is
A) the ceteris paribus assumption.
B) the rationality assumption.
C) positive economic analysis.
D) normative economic analysis.
A
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The table above gives four production possibilities for airplanes and cruise ships. In possibility A, how many resources are devoted to the production of cruise ships?
A) 0 B) few C) most D) all E) It is impossible to tell without more information about the prices of airplanes and cruise ships.
"Less demand causes lower prices, and lower prices cause more demand." The above statement shows
A) economic theory can be used to prove just about anything. B) everything depends on everything else. C) prices fluctuate in a free-market situation. D) the speaker has confused himself by saying demand in the first half of the statement when he meant quantity demanded. E) the speaker has confused himself by saying demand in the second half of the statement when he meant quantity demanded.