What percentage of businesses are sole proprietorships?

Each of the following is an element of private enterprise, EXCEPT which one?

a. Government regulations b. Private property rights c. Competition d. Profits

If the rate of inflation is zero, prices are expected to remain stable, and the nominal rate of interest is 5 percent, then the

A) real rate of interest is equal to the nominal rate. B) real rate of interest is less than the nominal rate. C) nominal rate is greater than the real rate of interest. D) investment demand schedule will shift upward.