A change in consumer taste will prompt a change in _____.

The reduction of brokerage commissions for trading common stocks that occurred in 1975 caused the demand for bonds to ________ and the demand curve to shift to the ________

A) fall; right B) fall, left C) rise; right D) rise; left

What three conditions must be present for a natural monopoly to exist?

a. one supplier, no close substitutes, barriers for entry b. multiple suppliers, many close substitutes, no barriers for entry c. one supplier, many close substitutes, few barriers for entry d. few suppliers, no close substitutes, no barriers for entry