A standard formula for measuring purchasing power compares the value of money across different time periods: Purchasing Power ...

The approach appears to punish countries based on their trade imbalances with the U.S., rather than the taxes they impose on the U.S. and a combination of other trade barriers Trump claimed the new ...

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?