Series: Learning Finance Basics

Phase 4: Thinking Like a Finance Pro — Part 14 of 16

Understanding Inflation: How Rising Prices Affect Your Money

Imagine you buy your favourite loaf of bread for £1 today. Next year, you notice the same loaf costs £1.10. You haven’t changed what you buy, but you need more money to get it. That’s inflation in action—a slow, steady rise in prices that affects what your money can buy.

What you’ll learn

• What inflation means and why it happens
• How inflation affects your everyday life and savings
• Simple examples to make sense of inflation’s impact
• Common mistakes people make about inflation
• Practical steps to help you manage inflation’s effects

What Is Inflation?

Inflation is the general increase in prices across goods and services over time. When prices rise, each pound you have buys a little less than before. This means the “purchasing power” of your money goes down.

Inflation is usually measured as a percentage—the annual rate of inflation tells you how much prices have risen compared to the previous year. For example, if inflation is 5%, something that cost £100 last year would cost £105 today.

Why Does Inflation Happen?

• Demand-pull inflation: When people want to buy more than what’s available, sellers may raise prices.
• Cost-push inflation: When the costs to produce goods (like materials or wages) go up, businesses often pass those costs to customers as higher prices.
• Built-in inflation: When workers ask for higher wages to keep up with rising prices, and businesses then raise prices to cover these higher wages.

Worked Example 1: Everyday Shopping

Let’s say your weekly grocery shop costs £50 this year. If inflation is 6%, the same shop would cost £53 next year. Over time, even small increases add up:

• Year 1: £50
• Year 2: £53
• Year 3: £56.18 (assuming the same 6% inflation)

In three years, you’d be spending over £6 more each week for the same groceries. That’s over £300 extra per year! This is why inflation matters for your household budget.

Worked Example 2: Savings and Inflation

Suppose you keep £1,000 in a savings account that pays 1% interest, but inflation is 5% per year. Here’s what happens after one year:

• Your account grows to £1,010 (that’s £1,000 + £10 interest).
• However, things that cost £1,000 last year now cost £1,050 due to inflation.

Even though you have more pounds, you can actually buy less. Your savings have lost value in “real terms” (what you can actually buy).

Common Mistakes

• Ignoring inflation: Some people focus only on the amount of money they have, not what it will buy in the future.
• Assuming prices never change: Prices may seem stable for a while, then jump. It’s easy to underestimate long-term effects.
• Thinking all prices rise equally: Some things (like electronics) may get cheaper, while essentials (like food or rent) often rise faster.
• Forgetting about savings rates: If your savings grow slower than inflation, your money loses value over time.

Action Steps

• ☐ Review your budget—Notice where prices have gone up in your own spending.
• ☐ Check your savings rate—Compare your interest rate to the inflation rate to see if your money is keeping up.
• ☐ Plan for rising costs—When setting financial goals, factor in that things may cost more in the future.
• ☐ Keep learning—Read the next post in this series to discover ways to help your money keep pace with inflation.

Recap

Inflation means prices rise over time, which reduces what your money can buy. It’s important to understand inflation’s effect on both your daily spending and long-term savings. By being aware and making small adjustments, you can better protect your finances against the hidden effects of inflation.

Disclaimer

This post is for educational purposes only and is not financial advice. Inflation rates, interest rates, and economic conditions vary by country and over time. Always do your own research or speak to a financial professional if you need advice for your situation.

Glossary

• Inflation: The general increase in prices over time, meaning money buys less than before.
• Purchasing power: The amount of goods or services your money can buy.
• Interest rate: The percentage paid to you for keeping money in a savings account or paid by you when borrowing.
• Real terms: The value of money after considering inflation (what it can actually buy).

Previous: Financial Statements for Non-Accountants

Next: How to Spot Financial Red Flags (and What to Do Next)