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Earnings Functions, Rates of Return and Treatment Effects: The Mincer Equation and Beyond

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  • James J. Heckman
  • Lance J. Lochner
  • Petra E. Todd

Abstract

This paper considers the interpretation of "Mincer rates of return." We test and reject the Mincer model. It fails to track the time series of true returns. We show how repeated cross section and panel data improves the ability of analysts to estimate the ex ante and ex post marginal rate of returns. Accounting for sequential revelation of information calls into question the validity of the internal rate of return as a tool for policy analysis. The large estimated psychic costs of schooling found in recent work helps to explain why persons do not attend school even though the financial rewards for doing so are high. We present methods for computing distributions of ex post and ex ante returns.

Suggested Citation

  • James J. Heckman & Lance J. Lochner & Petra E. Todd, 2005. "Earnings Functions, Rates of Return and Treatment Effects: The Mincer Equation and Beyond," NBER Working Papers 11544, National Bureau of Economic Research, Inc.
  • Handle: RePEc:nbr:nberwo:11544
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    JEL classification:

    • C31 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Cross-Sectional Models; Spatial Models; Treatment Effect Models; Quantile Regressions; Social Interaction Models

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