Figure 4.5 illustrates a set of supply and demand curves for hamburgers. An increase in demand and an increase in quantity supplied are represented by a movement from:
A. point b to point a.
B. point c to point d.
C. point d to point a.
D. point b to point d.
Answer: C
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The number of US households with access to the Internet is growing rapidly. Compared to 50 years ago, one would predict that when considering a major purchase, people today will gather:
A. more information because the Internet has lowered the cost of gathering information. B. less information because the Internet has lowered the cost of gathering information. C. more information because the Internet has increased the cost of gathering information. D. less information because the Internet has increased the benefit of gathering information.
One reason a country does not specialize completely in production is that not all goods and services are traded internationally
Indicate whether the statement is true or false
Suppose there are only two people, Mr. Mullinax and Ms. Fleming, who must split a fixed income of $500. For Mr. Mullinax, the marginal utility of income is MU m = 600 - 2I m , while for Ms. Fleming, marginal utility is MU f = 600 - 3I f , where I m and I f are the amounts of income to Mr. Mullinax and Ms. Fleming, respectively.
(A) What is the optimal distribution of income if the social welfare function is additive? (B) What is the optimal distribution if society values only the utility of Ms. Fleming? What if the reverse is true? Comment on your answer. (C) Finally, comment on how your answers change if the marginal utility of income for both Mr. Mullinax and Ms. Fleming is constant such that Mu m = 250 = MU f . (This one is subtle.) The setup should be I m + I f = 500 and 600 - 3I f = 600 - 2I m
A Lorenz curve that is perfectly straight indicates
A) that society is very rich. B) that a small portion of the population accounts for most of the income. C) that a large portion of the population accounts for most of the income. D) complete income equality.