How Money Works — interest, inflation, budgets
Compound interest, inflation, investing, credit and budgeting explained for teens aged 14–17. Straight education, not financial advice, plus a quiz.
Ages 14–16
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Compound Interest — interest on interest
Compound interest is what happens when the interest you earn starts earning interest of its own. Simple interest grows in a straight line; compound interest curves upwards, slowly at first and then surprisingly fast. It is the single reason time matters more than the amount you start with.
Inflation — why prices climb
Inflation is the rate at which prices rise, which is the same thing as saying the rate at which your money loses buying power. It is measured by tracking the price of a fixed basket of everyday goods and services month after month. In the euro area that basket is compiled by Eurostat and the national statistics offices.
Investing — putting money to work
Investing means buying something — a share of a company, a bond, a fund — in the hope that it will be worth more later or pay you an income. Unlike a savings account, nothing is promised: values go down as well as up, and you can end up with less than you put in. This page explains the mechanics; it is not a recommendation to invest in anything.
Credit & Debt — borrowing has a price
Credit is money you use now and repay later, and the price of that convenience is interest. It is not automatically a bad thing: a mortgage or a student loan buys you something you could not otherwise afford for decades. What makes debt dangerous is not borrowing itself but borrowing without knowing the total you will hand back.
Budgeting — telling money where to go
A budget is not a punishment list, it is a plan for money you already have. All it does is answer one question in advance: what is this money for? Once that is written down, you stop discovering at the end of the month where it went.
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