13) Because neoclassical economists assume that people are rational decision makers,
they:
A.are able to make better predictions about economic behaviors and outcomes.
B.ignore the mental processes by which these decisions are made.
C.believe that people never make suboptimal decisions.
D.believe it is best to limit the number of options people have available.
14) Answer the question on the basis of the following marginal utility data for products
X and Y. Assume that the prices of X and Y are $4 and $2 respectively and that the
consumer’s income is $18.
Refer to the data. What level of total utility will the utility-maximizing consumer
realize?
A.96 utils.
B.108 utils.
C.72 utils.
D.142 utils.
15) Assume that a 4 percent increase in income across the economy produces an 8
percent increase in the quantity demanded of good X. The coefficient of income
elasticity of demand is:
A.negative and therefore X is an inferior good.
B.negative and therefore X is a normal good.
C.positive and therefore X is an inferior good.
D.positive and therefore X is a normal good.
16) In 2010, the United States had about ___ percent of the world’s population and
produced about ___ percent of the world output.
A.20; 30