"buying power. the ability to purchase goods and services" (https://www.dictionary.com/browse/buying-power https://www.dictionary.com/browse/buying-power) So y

"buying power. the ability to purchase goods and services" (https://www.dictionary.com/browse/buying-power https://www.dictionary.com/browse/buying-power) So yes. With a lower salary in a specific area, I can probably buy the same goods and services as someone with a higher salary in a different area.