Economy 101: Why Doesn’t Lower Inflation Mean Lower Prices?

You hear it on the news: “Inflation is falling.”

Then you go to the supermarket, order a coffee, or pay your monthly bills and think:

If inflation is falling, why is everything still so expensive?

This is one of the most common misunderstandings about inflation.

The answer is actually quite simple:

Lower inflation does not mean lower prices. It means prices are rising more slowly.

Source: ChatGPT

Let’s see how that works.

First, what is inflation?

Inflation measures how quickly the general level of prices is increasing over time.

Imagine that a basket of everyday goods costs $100 today.

If inflation is 10%, the same basket would cost around $110 a year later.

So far, simple.

But what happens if inflation falls from 10% to 5%?

You might expect the basket to become cheaper.

It doesn’t.

Instead, its price continues to rise, just at a slower pace.

At 5% inflation, that $110 basket would rise to about $115.50 the following year.

Inflation fell.

But prices still went up.

Think about driving a car

There is an easy way to understand this.

Imagine a car travelling at 100 km/h. The driver slows down to 50 km/h.

The car is moving more slowly, but it is still moving forward.

Inflation works in a similar way.

When inflation falls from 10% to 5%, the speed of price increases has slowed. But prices are still moving upward.

For prices to actually fall, something different has to happen.

Inflation, disinflation and deflation

This is where three terms are useful.

Inflation: Prices are rising.

Disinflation: Prices are still rising, but more slowly than before.

Deflation: The general level of prices is falling.

So when you hear that inflation has fallen from 10% to 5%, what you are usually seeing is disinflation, not deflation.

And that distinction matters.

A lower inflation rate does not erase the price increases that already happened.

If your coffee went from $5 to $5.50 during a period of high inflation, lower inflation does not automatically bring it back to $5.

It might simply mean that next year it rises to $5.78 instead of $6.05.

So why do high prices feel permanent?

Because inflation leaves a mark on the price level.

During a period of high inflation, businesses face higher costs for wages, energy, transportation, materials and rent. Many of those costs do not suddenly return to their old levels when inflation slows.

That is why the prices consumers see often remain high.

This also explains why falling inflation can feel very different in economic statistics than it does in everyday life.

The inflation number may improve long before households feel financially comfortable again.

When do people actually feel the difference?

Usually when incomes begin to catch up.

Suppose prices increased rapidly for two years while your salary increased much more slowly. Your purchasing power fell.

Now imagine inflation slows significantly while your income continues to rise.

Over time, the gap may begin to close.

You may still see high prices in the supermarket, but those prices become easier to manage relative to your income.

This is why purchasing power matters just as much as the inflation rate itself.

For households, the important question is not only:

“Are prices rising more slowly?”

It is also:

“Is my income keeping up with the cost of living?”

The big picture

When inflation falls, it does not mean yesterday’s price increases are being reversed.

It means the economy is moving toward a slower pace of price increases.

Think again about the car.

It was moving at 100 km/h. Now it is moving at 50 km/h.

It has slowed down.

It has not gone into reverse.

And that is the simplest way to understand why lower inflation does not necessarily mean lower prices.