Kenneth Louie, associate professor of economics at Penn State Behrend, explained in the following Q&A what the CPI is and why American consumers should pay attention. Louie: The CPI is a number ...

A standard formula for measuring purchasing power ... making purchasing power a key factor in economic stability. Metrics like CPI and PPP help assess these changes, offering insights into both ...

The Bureau of Economic Analysis (BEA) uses the formula to track economic trends ... more comprehensive inflation measure than the Consumer Price Index (CPI), which measures the price changes ...