The Chained Consumer Price Index (CPI)tends to Be

The chained consumer price index (CPI) tends to be

A) a better measure of prices than the traditional CPI,no matter what the circumstances.
B) a better measure of prices than the traditional CPI,but only if inflation is relatively high.
C) a better measure of prices than the traditional CPI,but only if inflation is relatively low.
D) equally as good as the traditional CPI,under all conditions.
E) a poor measure of prices but better than the gross domestic product (GDP) deflator.