The most volatile category of GDP is _____ because those expenditures ______.
a. investment; are influenced by economic, political, and social variables
b. disposable income; comprise the largest component of aggregate demand
c. exports; capture the interaction of the U.S. economy with the rest of the world
d. consumption; involve government spending on new goods and services produced
a. investment; are influenced by economic, political, and social variables
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If an indifference map for a consumer is made up of straight, negatively sloped lines, the goods are
A) perfect complements. B) unrelated. C) perfect substitutes. D) not desirable.
Refer to Figure 9-3. What is the value of domestic producer surplus after the imposition of a quota?
A) $10.75 million B) $15.75 million C) $17.25 million D) $27.75 million
The existence of heavy training costs would provide a rationale for
a. insider-outsider models. b. IS-LM models. c. sticky price models. d. modern efficiency wage models
Refer to the information provided in Figure 15.2 below to answer the question(s) that follow. 
Figure 15.2 Refer to Figure 15.2. If We Do Hair maximizes profits as a monopolistically competitive firm, it ________ of $320.
A. is suffering a loss of B. has a total cost C. is earning a profit D. receives a total revenue