Gas. Meat. Flights. Houses. The price of things have gone up by as much as nine percent since last year. The same amount of money gets you less stuff. It's inflation: a concept that's easy to feel but hard to understand. Its causes are complex, but it isn't some kind of naturally-occurring phenomenon — and neither are the ways in which governments try to fight it.Learn more about sponsor message choices: podcastchoices.com/adchoices)NPR Privacy Policy)