"Until 2000, the most common indicator of the rate of inflation was the amount of change in the Consumer Price Index (CPI), which measured price fluctuations in a market-basket of goods."
""The whole notion of going to one place to buy everything in one fell swoop because you are sure of a total market-basket savings may go away," says Leon Nicholas of consultancy Kantar Retail."
"In a recent market-basket study of back-to-school supplies at Target and Wal-Mart, Goldman Sachs retail analyst Adrianne Shapira found Wal-Mart prices less than 1% below Target's."