The purpose of the consumer price index (CPI) is to reflect just how much inflation is eating into both our incomes and our savings. Consumer inflation has been estimated since the 1700s, by measuring price changes in a fixed-weight basket of goods.
The purpose of the consumer price index (CPI) is to reflect just how much inflation is eating into both our incomes and our savings. Consumer inflation has been estimated since the 1700s, by measuring price changes in a fixed-weight basket of goods.