Why is that? The consumer price index (CPI) helps answer this question, as it measures inflation, the economic phenomenon that slowly erodes the purchasing power of your hard-earned dollars.

The COLA is determined by changes in the Consumer Price Index (CPI), which measures inflation based on consumer pricing ...

What does each measure tell you and which matters most for your finances? Plus, what is the Consumer Prices Index including owner occupiers’ housing costs (CPIH)? CPI is the official measure of ...