NBC News is tracking changes in the prices of eggs, bread, ground beef, chicken and other grocery items to monitor the impact on consumers’ food bills.

This measure excludes volatile items like food and energy prices, offering a more stable view of long-term inflation trends ... stable price changes in goods and services. This stability is ...

Understanding Inflation: Gradual price rise erodes purchasing power. CPI tracks changes in goods and services ... central bank currently targets a 2% long-term inflation rate.

During economic downturns an economy’s output of goods and services declines ... of statistical techniques that differentiate between the short-term ups and downs and the long-term trend. The ...