The Atlanta Fed Explains Inflation

Prices go up. Today an ice cream cone costs two bucks. Fifty years ago, that same ice cream
cone would have cost 50 cents. What’s the difference?
Is it tastier? Bigger? No. It’s the same. So why does it cost more today? Inflation. When the price level of goods and services
goes up over a period of time, we call that inflation. Inflation makes every dollar you own
buy a smaller percentage of a product or service. Like a hot dog. In the past, $1 would buy a hot dog. Today, $1 would only buy you half. Same thing for a car or a haircut. Prices can change for many reasons. Inflation is a unique type of price change. To understand Inflation, we first need
to understand something called price level. Price level is the average of the current price
of everything sold in our economy over time. Hot dogs, haircuts, umbrellas, automobiles, essentially anything that’s
bought or sold with dollars. Economists keep an eye on the price level because
they want the purchasing power of your money to stay stable from year to year. If the price level begins to rise too quickly
central banks, like the Federal Reserve, will try to adjust monetary policy in order
to slow this advance in prices. OK. So an increase in prices
is always due to inflation, right? Wrong. Let’s take a closer look. Imagine an island where the
only thing to buy is balloons. You’ve got to use dollars to buy them. Lucky for you, there are two balloons to buy
and two dollars in circulation. So, what’s the price of the balloons? $1 each. And if a balloon pops, what’s the new price? That price increase isn’t an example of inflation,
it’s a different kind of price change: a change in the cost of living. What’s the difference? Well, let’s look at another scenario
on the same island. Once again, we have two balloons and two dollars, but this time we’ll add a central banker who can print money. Changing the amount of money
there is to buy balloons will change the price of balloons, so if the central bank decides
to print and add another two dollars, what does that do to the price of balloons?
It doubles to $2 each. That is inflation. So where does the Federal Reserve come in? For one thing because central banks,
like the Federal Reserve, have control over the money
circulating in the economy they can set the price level, the dollar value
of things, at whatever level they think is best. But in the real world, the Federal Reserve’s role
isn’t that straightfoward. If prices are going up because there’s a shortage
in cotton or oil or even balloons, the Federal Reserve’s ability to do anything is limited
because it doesn’t produce oil, or cotton, or balloons. It only produces dollars. On the other hand, if prices are going up because there
are too many dollars in the system, the Federal Reserve can do something about that. It can adjust its monetary policies
to keep the overall price level steady, that is, from rising or falling over time. See, inflation is like, well, it’s like tire pressure. When tire pressure gets too low,
there’s not enough air to cushion the ride. When tire pressure gets too high,
you can have a blowout. Either way, if the pressure isn’t steady
at the proper level, it makes for a bumpy ride. So, over time, the right amount of inflation,
like steady tire pressure, lets you go the distance
and gives the economy a smoother trip. The Federal Reserve keeps an eye on inflation
so you can keep your eyes on the road. There’s still a lot to learn, so check out
the resources on our website at for a more in-depth
look at inflation and other topics.

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