Purchasing Power.
In plain English
Purchasing power is the real value of your money measured by what it can buy, not by the number on the bill. When prices rise, the same dollar buys less, so your purchasing power drops even though you still hold the same dollar. This is why a dollar in the past stretched further than a dollar today. Inflation is the steady erosion of purchasing power over time.
01Why it matters
If your raises or your savings grow slower than prices, your purchasing power shrinks, which means you are quietly getting poorer even though your dollar balance looks the same or higher.
02The math, step by step
Imagine a basket of groceries costs 100 dollars today. If prices rise 3 percent over the next year, that same basket costs about 103 dollars. Your 100 dollar bill now buys less than a full basket, so its purchasing power fell. The 3 percent here is just an illustration, not a reading of current inflation.
03What this is NOT
Purchasing power is not the same as how many dollars you hold. You can have more dollars and less purchasing power if prices rose faster than your money did.
04Receipts
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Plain-English answers from our glossary. Receipts included. Never advice.
Educational tool. Answers come only from ClearMoneySchool's published glossary and are not advice. Why we never give advice