If land is suitable for producing crops, it is _____.

Friedman's theory of money demand differs from Keynes' in that

a. Friedman assumes that the demand for money is highly elastic while Keynes assumes money demand is inelastic. b. Friedman assumes that the money demand function is highly stable while Keynes assumes it is unstable. c. Friedman assumes that there is only a speculative demand for money while Keynes also considers the precautionary and transactionary demands for money. d. Friedman assumes that the proportion of income held in the form of money is constant while Keynes believes it varies. e. both b and d.

The price of a piece of pizza is $1 and the price of a movie is $6 and the consumer has $14. A consumer has purchased 2 pieces of pizza and 2 movies, receiving 20 units of utility for the second piece of pizza and 100 units of utility for the second

movie. When the consumer spends all her income, the set of goods A) is an optimum since the entire income is spent and the marginal utility per dollar spent is the same for the last unit of each good. B) is an optimum since the entire income is spent and total utility is maximized. C) is not an optimum because the marginal utility per dollar spent is greater for pizza than for movies and the consumer is not spending all of his income. D) is not an optimum because the marginal utility for each good is not equal.