Median purchasing power has increased by 12% since 1979 (data doesn't go back to 1975) https://fred.stlouisfed.org/series/LES1252881600Q
Real wages were down ~15-20% from 1970 to 1979... so, not a good year to anchor on.
Real wages were down ~15-20% from 1970 to 1979... so, not a good year to anchor on.