Under Which of the Following Conditions Will There Be No

Multiple Choice

Under which of the following conditions will there be no substitution bias in the CPI?

A) Lower-priced goods increase in price by a greater percentage than do higher-priced goods.
B) Higher-price goods increase in price by a greater percentage than do lower-priced goods.
C) All goods change in price by the same amount.
D) All goods change in price by the same percentage.