Which is NOT a necessary condition for price discrimination to exist?
A) The firm must face a downward sloping demand curve.
B) The firm must identify buyers with different elasticities of demand.
C) The firm must be able to prevent resale of the product or service.
D) The firm must establish different prices to reflect marginal cost.
D
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Refer to the figure below.________ inflation will eventually move the economy pictured in the diagram from short-run equilibrium at point ________ to long-run equilibrium at point ________, 
A. Rising; B; C B. Falling; A; C C. Falling; A; B D. Rising; A; C
Aggregate expenditure is equal to
A) C - I - G - NX. B) Y + C + I + G + NX. C) C + I + G - NX. D) C + I + G. E) C + I + G + NX.
Let us define the real wage as the purchasing power of one hour of labor. In the Ricardian 2X2 model, if two countries under autarky engage in trade then
A) the real wage will not be affected since this is a financial variable. B) the real wage will increase only if a country attains full specialization. C) the real wage will increase in one country only if it decreases in the other. D) the real wage will rise in both countries. E) the real wage will fall under pressure of international competition.
If there is a(n) __________ in reserves, the potential change in demand deposits is __________
A) deficiency; 0 B) deficiency; positive C) deficiency; negative D) excess; negative