Explaining Cross-Cohort Differences in Life Cycle Earnings

Yu-Chien Kong (), B Ravikumar and Guillaume Vandenbroucke

No 2015-35, Working Papers from Federal Reserve Bank of St. Louis

Abstract: College-educated workers entering the labor market in 1940 experienced a 4-fold increase in their labor earnings between the ages of 25 and 55; in contrast, the increase was 2.6-fold for those entering the market in 1980. For workers without a college education these figures are 3.6-fold and 1.5-fold, respectively. Why are earnings profiles flatter for recent cohorts? We build a parsimonious model of schooling and human capital accumulation on the job and calibrate it to earnings statistics of workers from the 1940 cohort. The model accounts for 99 percent of the flattening of earnings profiles for workers with a college education between the 1940 and the 1980 cohorts (52 percent for workers without a college education). The flattening in our model results from a single exogenous factor: the increasing price of skills. The higher skill price induces (i) higher college enrollment for recent cohorts and thus a change in the educational composition of workers and (ii) higher human capital at the start of work life for college-educated workers in the recent cohorts, which implies lower earnings growth over the life cycle.

Keywords: Life-cycle earnings; flattening; skill price; education composition (search for similar items in EconPapers)
JEL-codes: E20 I26 J24 J31 (search for similar items in EconPapers)
Pages: 48 pages
Date: 2015-10-01
New Economics Papers: this item is included in nep-dge and nep-edu
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Citations: View citations in EconPapers (5)

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Related works:
Journal Article: Explaining cross-cohort differences in life-cycle earnings (2018)
Working Paper: Explaining Cross-Cohort Di fferences in Life Cycle Earnings (2015)
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