What determines the purchasing power of a consumer? What is your purchasing power?

Consumer Buying Power

A consumer's buying power represents his or her ability to make purchases. The economy affects buying power. For example, if prices decline, consumers have greater buying power. If the value of the dollar increases relative to foreign currency, consumers have greater buying power.

Explanation:

My purchase power is money

in order to keep competitors from increasing or decreasing the prices they may establish, usa in the period of 70s set very democratic price - abut 1 dollar per gasoline so that their offer will be more affordable and attractive.