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 ________

For which of the following pairs of goods is the cross elasticity of demand positive?

A) tennis balls and tennis rackets B) videotapes and laundry detergent C) airline trips and textbooks D) beef and chicken

Approximately how often is the Consumer Price Index (CPI) market basket updated?

a. Every 10 years b. Every 25 years c. Every year d. Every 2 years e. Every 5 years