Education and income in the early 20th century : evidence from the prairies
Education and income in the early 20th century : evidence from the prairies - Cambridge, Mass. : National Bureau of Economic Research, 1999 - 48
WAGES--EFFECT OF EDUCATION ON--IOWA--HISTORY--20TH CENTURY
WAGES FIFFERENTIALS--IOWA--HISTORY--20TH CENTURY
EDUCATION--IOWA--ECONOMIC ASPECTS--HISTORY--20TH CENTURY
WAGES--EFFECT OF EDUCATION ON--IOWA--ECONOMETRIC MODELS
HD4939 .U6 / G642E