The factor that leads to underpricing and overuse of an economic resource is
a. human greed and selfishness.
b. capital markets.
c. the lack of an enforceable property right.
d. the lack of understanding of pollution and its effects.
Total utility
a. diminishes as the quantity consumed of a good increases.
b. increases as long as more goods are acquired.
c. increases as long as marginal utility increases.
d. increases as long as marginal utility is positive.
e. diminishes as consumption of some good rises.
In 1972, a very controversial study asserted that income differences among individuals
did not depend on genetic differences in reasoning ability, or differences between
schools, or family background. Moreover, the effects of level of schooling are much
less than previously understood. After controlling for all of these background variables,
much of the variation in earnings appeared to be random. From this analysis, one might