Keynes believed that saving is more responsive to changes in income than to changes in interest rates

For which of the following types of goods would demand be most price-elastic?

a. necessities b. goods with many substitutes c. goods that require only a small portion of the buyer's budget d. goods with vertical demand curves e. goods with vertical supply curves

In the United States' economy

A. there is no need to economize. B. we rarely have to economize. C. only the rich have to economize. D. nearly everyone has to economize.