Goldin, Claudia; Margo, Robert A. - National Bureau of Economic Research - 1991
The structure of wages narrowed considerably during the 1940's, increased slightly during the 1950's and 1960's, and … return attention here to the decade that was witness to an extraordinary compression in the wage structure. Wages narrowed by …-10 differential in the log of wages was 1.414 in 1940 but 1.060 in 1950. By 1985 it has risen back to its 1940 level. Thus the recent …