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What Is Inflation and How Does It Affect You?

It’s fair to say there’s a lot going on in the world. In some ways, we haven’t had any breaks from worrying about something. And just when we thought that was letting up, here comes a little something called inflation knocking at the door.

But guess what? Inflation is nothing new. It’s not some big, scary money term that didn’t exist until 2020. Inflation has been around forever. If you snoozed through your economics class, don’t worry—we’ll get you caught up on what inflation is, why people are talking about it more now, and what you can do to guard your money from inflation as time goes on.

What Is Inflation? 

We’ve all heard a ton about it lately, but what is inflation really?

Inflation is basically when the prices of goods and services go up. It’s measured by how much prices inch up over time and tracks how the value of money falls because of those price hikes. Yeah, it’s not the best dinner party topic.

And if you think inflation isn’t happening right now—think again. These days, 86% of Americans say they’ve seen prices on goods and services increase for things they buy.1


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Here in the U.S., we measure inflation by three things—the Consumer Price Index (CPI), Producer Price Index (PPI), and Personal Consumption Expenditures Price Index (PCE). It’s a mouthful, but it goes a long way to track the changes in prices of goods and production.

Here’s how it all breaks down: The CPI measures the change in the prices of goods and services that consumers pay over time. In other words, CPI is tracking how much your toothpaste costs today compared to three years ago.

The PPI is kind of similar, but it measures the change in selling prices over time for those creating the product. Think how much the maker of your favorite shoes is paying to make your shoes.

And the PCE Price Index shows the actual month-to-month changes in the prices of services that consumers actually bought. Are people really laying down their hard-earned cash and buying the stuff, or are they not?

It sounds like one big headache (probably because it is), but looking at all that data together gives you a pretty good idea of what’s happening in the world of inflation and our money’s purchasing power.

What Is Purchasing Power? 

Purchasing power all comes down to the value of currency. In the U.S. when people talk about purchasing power, they’re usually talking about how far your dollar bills go to cover the price of items you want to buy. Like when you go to the store, could your $1 buy one or two packs of gum? And it’s no secret that a dollar bill with George Washington’s face on it has way less purchasing power than it did 50, 20 or even just 10 years ago. Thanks, inflation!

What Causes Inflation?

Inflation happens when prices go up and the purchasing power (the value of the currency) goes down as time goes on. But what’s the deal here? Why can’t a dollar today buy you as much as it did in 1955? Step into our economics class and we’ll try and walk you through it (without putting you to sleep).

Inflation happens when the price of goods goes up. But what causes the price of things to go up anyway? It all goes back to supply and demand. When people want to buy things but there aren’t enough things for them to buy, the price goes up to meet the demand.

Basically, inflation makes the value of that $20 bill in your pocket drop over time. Remember how your grandparents talked about how they could buy nickel candy and go see a movie for under $1? Must’ve been nice for them! Inflation is the reason we don’t pay the same prices for those things today.

Now, there are two different types of inflation, and each one can impact how prices go up. Let’s walk through them:

Demand-Pull Inflation

This happens when the demand for goods goes up but the supply stays the same. If sellers can’t keep up with the supply, then they can raise their prices. This makes the prices pull up to keep up with the demand.

Cost-Push Inflation 

This takes place when the supply of goods is low but the demand for them stays the same. When this happens, the prices are pushed up (usually by some kind of event cutting off the supply). We saw this happen when the global supply chain took a hit at the beginning of COVID-19 and when the Suez Canal was blocked and when the Colonial Pipeline was hacked. Now, some of that (okay, a lot of that) was caused by people panic buying, but it was still because of an event that caused prices to push up.

What’s Going On With Inflation Right Now? 

Because of the pandemic, the Federal Reserve started “printing” virtual money last year.2 Their goal? To pad the economic and banking markets from taking too big of a hit from the COVID-19 fallout. And now that things are opening up again, that money is starting to move around and stimulate the economy.

Oh, and speaking of stimulated . . . remember all those stimulus checks? Well, somebody has to pay for them. The government’s spending went through the roof in the last year, and yep—you guessed it—that impacts inflation. Yeah, you could say things have been, uh, stimulated for sure.

But inflation’s not just the government’s fault (as much as we might want to pin it all on them). Throw in the housing inventory shortage, the lumber shortage, and the car shortage (seriously, what hasn’t had a shortage in the last year?). That’s a whole lot of demand and not enough supply—which is exactly what causes inflation.

Don’t believe it? It’s hard to argue with the facts: Home prices have gone up by 11.2% since last year, the price of lumber has shot up 130% since April 2020, and the average listing price of used cars jumped to an all-time high of $22,568 (that’s the first time it’s even been over $22K).3,4,5

What Is the Inflation Rate Right Now? 

As of April 2021, the inflation rate in the U.S. had risen to 4.2% over the last 12 months.6 That’s the biggest 12-month jump since September 2008. Given that, it’s no wonder everyone is shouting about inflation these days.

How Do You Calculate the Inflation Rate?

Now that we’ve already covered economics, it’s time for the second class of the day—math. For this one, we’ve got to go back to the Consumer Price Index and use a formula (ugh). But don’t let that scare you. It’ll all make sense in a second. Ready? Let’s do some math:

Later CPI – Past CPI

                                   ____________________   x 100 = Inflation Rate

Past CPI

Uh . . . say what now?

All right, it’s time to put that crazy-looking formula into a real-world example.  Let’s say a gallon of gas cost you $1.55 in 2000 and cost you $2.25 in 2020. How can you know how much the inflation rate was over those 20 years? Here’s how: $2.25 - $1.55 = $0.70. Now divide $0.70 by $1.55. You get about $0.45. Now multiply that by 100 and you get 45. That means the inflation rate on a gallon of gas was 45% between 2000 and 2020.

And if you’re just itching to crunch some inflation numbers or take a walk down memory lane, the U.S. Bureau of Labor Statistics has just the calculator for you. You can punch in the date of your choice and see how much money then would be worth now. Fun fact: $1 in 1951 has the same buying power as $10.51 has now. That means that whatever $10.51 will buy you at a store nowadays would’ve only cost you $1 back then.

How Do Interest Rates Affect Inflation? 

Ah, yes, we’ve all heard about those crazy low mortgage interest rates—but how does something like that affect other things long term? It might sound kind of strange, but the Federal Reserve lowering these interest rates actually plays a part in inflation.

When interest rates are low, the economy usually grows, but that can cause prices to go up too. That means people are usually okay with borrowing money (boo!), and they feel more comfortable with spending too. Because of that, more money flows through the economy when interest rates hang out at a lower rate.

The opposite happens when interest rates rise. When interest rates are higher, people generally buy less, the economy slows down, and inflation drops. Think about it: When interest rates on homes are higher—there aren’t as many people lined up to buy them, right? And with higher interest rates, people tend to save and invest more because their rates of return go up too. With fewer people spending their money, the economy slows down and inflation chills out.

So who’s job is it to do this delicate little balancing act? The Fed. They have to have a close watch on the Consumer Price Index and Producer Price Indexes to try to keep the economy steady around the ideal inflation rate of 2%.7

What Is Hyperinflation? 

Hyperinflation is just like it sounds—it’s inflation, but on steroids. Hyperinflation happens when prices on goods shoot up fast and are insanely out of control. Most economists agree that inflation can only be called hyperinflation when prices increase at a rate of 50% each month.

That’s like a gallon of milk going from $3.50 in May to $5.25 in June to $7.88 in July. Sheesh. Yeah, it sounds insane, like something that couldn’t ever happen, but it did happen in Germany after World War I. Still, hyperinflation is a pretty rare thing.

How Inflation Affects You and the Economy 

A lot of inflation just goes back to the basic supply and demand problem. If items that people need or want are hard to find, it drives the cost up and creates a scarcity mindset (where you think there won’t be enough of something left for you to have any). If you can flood the market with enough product, then the demand goes down and prices can go down.

Oversupply = prices going down. Undersupply = prices going up.

We’re seeing this kind of thing play out now with meat and seafood prices rising 79%, dairy prices rising 76%, and produce rising 71%.8 And prices going up is the part where that nasty word inflation actually starts to impact you. Suddenly, regular products you used to be able to buy for a decent amount jump in price. I don’t remember cheese costing that much! Yeah, you’re not making it all up in your head. When inflation happens, you see the effects of it hit stores—and your wallet—pretty fast.

How to Protect Yourself Against Inflation

If you’re sitting there thinking, Well, great, this sounds all doom and gloom, think again. What can you do to shield yourself from inflation? Plenty.

1. Stay calm.

When people start talking about inflation, it seems like everyone wants to fill up every container they own with gasoline, start collecting gold, panic buy yeast for baking, and stick their cash under their mattress. Woah there, pal. Slow down, breathe, and take it easy. We can’t stress this enough: You can prepare without being panicked. And the first step here is just keeping your cool.

2. Budget.

Inflation or not, you’re still in control of your money. Armed with a budget, you’ll be able to make sure your money is going toward the right things, while being able to find places where you can cut back your spending.

Did that gallon of milk go from $3.50 to $3.99? Yep, been there. On the not-so-fun side of things, if you’re noticing the prices of things like food and gas rising in your area, then you’re going to need to adjust your budget too. That way, you’ll know exactly how much you’re working with and won’t be in for any surprises.

Let the budget be your guide as you look for places to cut back so you can beef up your grocery cash to cover that dadgum expensive milk. Maybe you’re not traveling right now or not having to pay for your kid’s ballet class for the next few months. Whatever it is—be on the lookout for it. And you’re not alone: 83% of Americans say they’re tightening their budget to keep inflation at bay.9

3. Save.

If you’re feeling that pinch and want to save even more, look for ways to lower your grocery bill or save money on gas. Maybe it’s finally time you switch over to generic brands or carpool into work. And if you find great deals on canned food and things you can stock your pantry with (that you’ll actually use), then go ahead and stock up on food. Just make sure you’ve budgeted for that before you head into the grocery store. That way, you already know exactly what you’ll spend and won’t get swept up into the panic buying (toilet paper circa 2020, anyone?).

4. Invest.

Like it or not, inflation is a thing. If you retire in 20 or 30 years, it’s pretty much a guarantee that the cost of a loaf of bread, tank of gas, and cup of coffee will have gone up by then. The best way to protect yourself against inflation (that is bound to happen), is to invest your money—the sooner the better. But remember, if you still have debt (other than your mortgage) and don’t have an emergency fund sitting pretty, you need to take care of both of those things first. The sooner you take care of all of that, the sooner you can invest and get to work on your long-term goals.

Ready to go to battle against inflation? Start by having a solid investment plan. And no—that doesn’t mean stuffing cash under your mattress. Make sure you connect with a SmartVestor Pro to talk through all your investing options. They’ll give you the right kind of advice and insight you need to protect yourself against inflation in the future. Make sure you get the most bang for your buck when it comes to investing—connect with a pro today.

Ramsey Solutions

About the author

Ramsey Solutions

Ramsey Solutions has been committed to helping people regain control of their money, build wealth, grow their leadership skills, and enhance their lives through personal development since 1992. Millions of people have used our financial advice through 22 books (including 12 national bestsellers) published by Ramsey Press, as well as two syndicated radio shows and 10 podcasts, which have over 17 million weekly listeners.

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