Inflation is hovering at a 40-year high, driven by steep increases in food prices, housing and utilities.
The Federal Reserve is trying to bring it down by aggressively raising interest rates, even if it pushes the economy closer to a recession.
Still, prices are soaring, making it harder for many Americans to get by.
The concept of inflation has been around for decades, as prices have always fluctuated over time. While it is easy to see and measure those price changes, it is something else to actually understand them.
Inflation can impact many things besides costs, such as employment and wages.
So, what is inflation, and what causes it?