Three variables are related and two of them are plotted in a figure. If the variable that is not measured on either the x-axis or the y-axis changes, then there is
A) a movement along the drawn curve.
B) no impact on the curve because the variable is not measured on either of the axes.
C) a shift in the curve.
D) either a shift in the curve or a movement along the curve, but more information is needed to determine which.
E) None of the above answers is correct.
C
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The economy pictured in the figure has a(n) ________ gap with a short-run equilibrium combination of inflation and output indicated by point ________. 
A. recessionary; A B. recessionary; C C. recessionary; B D. expansionary; A
The Organization of Petroleum Exporting Countries (OPEC) is an example of
a. a price leadership system. b. a generally unsuccessful cartel. c. an organization devoted to tacit collusion. d. a successful cartel.
Politicians often point to wage differentials as evidence of labor-market discrimination against ethnic minorities and women; however, economists argue against this approach because people differ in the amount of human capital they have and the kinds of work they are willing and able to do
a. True b. False Indicate whether the statement is true or false
Nominal exchange rates
a. vary little over time. b. vary substantially over time. c. appreciate over time for most countries. d. depreciate over time for most countries.