The components of option premiums are:

Efficiency in a market occurs when the production of the good is such that

A) marginal benefit exceeds marginal cost. B) marginal benefit equals marginal cost. C) marginal benefit is lower than marginal cost. D) the marginal cost stops increasing. E) marginal benefit exceeds marginal cost by the maximum amount possible.

If utility is not maximized, then:

a. some change in consumption will increase satisfaction. b. no change in consumption will increase utility. c. only a change in income will increase utility. d. only a change in price will increase utility. e. the principle of diminishing marginal utility does not hold.