Education, Growth and Income Inequality

C. N. Teulings () and Thijs van Rens

No 3863, CEPR Discussion Papers from C.E.P.R. Discussion Papers

Abstract: Estimates of the effect of education on GDP (the social return to education) have been hard to reconcile with micro-evidence on the private return. We present a simple explanation that combines two ideas: imperfect substitution between worker types and endogenous skill-biased technological progress. When types of workers are imperfect substitutes, the supply of human capital is negatively related to its return, and a higher education level compresses wage differentials. We use cross-country panel data on income inequality to estimate the private return and GDP data to estimate the social return. The results show that the private return falls by 1.5 percentage points when the average education level increases by a year, which is consistent with Katz and Murphy's [1992] estimate of the elasticity of substitution between worker types. We find no evidence for dynamics in the private return, and certainly not for a reversal of the negative effect as described in Acemoglu [2002]. The short-run social return equals the private return, but the long-run return is two times higher, providing evidence in favour of endogenous technological progress. The rise in education is the major cause of productivity growth over the sample period 1960-90.

Keywords: Education; Inequality; Growth (search for similar items in EconPapers)
JEL-codes: E20 J24 O10 O15 (search for similar items in EconPapers)
Date: 2003-04
New Economics Papers: this item is included in nep-dev
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Citations: View citations in EconPapers (10)

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