Purchasing power refers to the amount of goods and services a person or entity can buy with a given amount of money. It fluctuates over time due to inflation, deflation and changes in income, directly ...

Purchasing power parity (PPP) is an economic concept that compares the relative value of currencies by examining the cost of identical goods and services across different countries. It helps determine ...

Purchasing power is the value of a currency in real terms—based on the goods and services each unit can be exchanged for. Remember when you could buy two Mcdonald's Big Macs with a $5 bill in 2000?