Here is a consumption function: C = C0 + MPC(Yd). If MPC is 0.80, then we know that
A) as Yd rises by $1, Co rises by $0.80.
B) as Yd rises by $1, C rises by $0.80.
C) Yd rises by $0.80.
D) as C0 rises by $0.80, Yd rises by $1.
B
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Refer to the figure below. In response to gradually falling inflation, this economy will eventually move from its short-run equilibrium to its long-run equilibrium. Graphically, this would be seen as 
A. long-run aggregate supply shifting leftward B. Short-run aggregate supply shifting upward C. Short-run aggregate supply shifting downward D. Aggregate demand shifting leftward
What do Wal-Mart, the Microsoft Corporation, and the Dell computer company have in common?
A) Each achieved a dominant position in its industry because it owned a key input in the production of its product. B) The industry in which each firm competes is an oligopoly because of government-imposed barriers to entry. C) Each company was founded in the same state. D) The profitability of each firm depends on its interactions with other firms.
A clear conclusion from offshoring debates and analyses is that:
a. If offshoring isn't stopped, some nations are likely to go bankrupt. b. Offshoring should be evaluated on a net basis, which means by the difference between the effects of onshoring and offshoring. c. Tariffs and quotas are an ideal means of protecting nations from offshoring's ill effects. d. offshoring always decreases GDP in the nation from which it takes place. e. All of the above are clear conclusions from these debates and analyses.
When maximizing profit, the perfect competitor ______ produces at the output at which MC = MR; the monopolist ____ produces at the output at which MC = MR.
A. always; always B. sometimes; sometimes C. always; sometimes D. sometimes; always