You have probably noticed it at the supermarket: the same basket of groceries costs noticeably more than it did a few years ago. That is inflation at work, and understanding it is more useful than you might think.
What inflation is
Inflation is the rate at which the general price level of goods and services rises over time. When inflation is 5%, something that cost €100 a year ago costs €105 today. The same amount of money buys less than it did before — which is why economists say your purchasing power has fallen.
Why does inflation happen?
The most common causes are: demand-pull inflation (too much money chasing too few goods), cost-push inflation (rising production costs passed on to consumers), and monetary inflation (too much money in circulation). Central banks use interest rates as their main tool to control inflation — raising rates makes borrowing more expensive, which reduces spending and slows price rises.
Who does inflation hurt most?
Inflation hits fixed-income earners and savers hardest. If you have €10,000 in a savings account earning 1% interest and inflation is 4%, you are losing purchasing power at 3% per year. Debtors with fixed-rate loans actually benefit slightly, since they repay with money that is worth less in real terms.
What can you do?
Keeping large amounts in low-interest cash savings during high inflation is costly. Inflation-beating options include: index-linked bonds, broad stock market funds (which historically outpace inflation over long periods), and investing in skills and education, which increases your earning power.
Understanding inflation does not stop it affecting you — but it helps you make decisions that limit the damage.