The field of political economy applies the methods of
a. psychology to study how the economy works.
b. political science to study how the economy works
c. economics to study how government works.
d. psychology to study how government works.
c
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The World's most populous country is:
a. The United States b. Greece c. India d. China
If a chemical factory causes noxious fumes to be emitted in the neighborhood, a likely third party would be
a. workers at the factory b. factory managers c. chemical customers d. neighborhood homeowners and their families e. owners of the factory
According to the above figure for a gasoline market, what happens when the price per gallon of gasoline jumps from $1 to $4?
A. The market moves from a shortage of 40 million gallons/day to a surplus of 50 million gallons/day. B. A surplus of 40 million gallons/day results. C. A gasoline surplus is replaced by a gas shortage. D. The market shortage is replaced by market equilibrium.
Refer to the information provided in Figure 9.1 below to answer the question(s) that follow. 
Figure 9.1Refer to Figure 9.1. If this farmer is maximizing profits, his total revenue will be
A. $90. B. $135. C. $180. D. $240.