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On the Effects of Misspecification Errors in Models with Generated Regressors


  • McKenzie, C R
  • McAleer, Michael


This paper considers the consistency and efficiency of two-step estimators of a structural equation when the auxiliary equation is misspecified. Underspecification generally leads to the two-step estimator and the estimator of the error variance being inconsistent. When the errors of the structural and auxiliary equations are uncorrelated, a two-step estimator based on an overspecified auxiliary model will generally lead to a loss of efficiency compared with the two-step estimator based on a correctly specified auxiliary model. The impact of underspecifying and overspecifying the auxiliary equation used to generate initial parameter estimates for Heckman's two-step estimator of models with sample selection is analyzed. Copyright 1994 by Blackwell Publishing Ltd

Suggested Citation

  • McKenzie, C R & McAleer, Michael, 1994. "On the Effects of Misspecification Errors in Models with Generated Regressors," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 56(4), pages 441-455, November.
  • Handle: RePEc:bla:obuest:v:56:y:1994:i:4:p:441-55

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    References listed on IDEAS

    1. Zeileis, Achim & Leisch, Friedrich & Hornik, Kurt & Kleiber, Christian, 2002. "strucchange: An R Package for Testing for Structural Change in Linear Regression Models," Journal of Statistical Software, Foundation for Open Access Statistics, vol. 7(i02).
    2. Kramer, Walter & Ploberger, Werner & Alt, Raimund, 1988. "Testing for Structural Change in Dynamic Models," Econometrica, Econometric Society, vol. 56(6), pages 1355-1369, November.
    3. Ploberger, Werner & Kramer, Walter, 1992. "The CUSUM Test with OLS Residuals," Econometrica, Econometric Society, vol. 60(2), pages 271-285, March.
    4. Kramer, Walter & Schotman, Peter, 1992. "Range vs. maximum in the OLS-based version of the CUSUM test," Economics Letters, Elsevier, vol. 40(4), pages 379-381, December.
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    Cited by:

    1. Uluc Aysun & Melanie Guldi, 2011. "Derivatives Market Activity in Emerging Markets and Exchange Rate Exposure," Emerging Markets Finance and Trade, Taylor & Francis Journals, vol. 47(6), pages 46-67, November.
    2. Uluc Aysun & Melanie Guldi, 2008. "Increasing Derivatives Market Activity in Emerging Markets and Exchange Rate Exposure," Working papers 2008-06, University of Connecticut, Department of Economics, revised Oct 2008.
    3. Gonzalez-Rivera, Gloria, 1998. "Dynamic asset pricing and statistical properties of risk," Journal of Economics and Business, Elsevier, vol. 50(5), pages 461-470, September.
    4. Eric J. Solberg, 2005. "The Gender Pay Gap by Occupation: A Test of the Crowding Hypothesis," Contemporary Economic Policy, Western Economic Association International, vol. 23(1), pages 129-148, January.
    5. Aysun, Uluc & Guldi, Melanie, 2011. "Exchange rate exposure: A nonparametric approach," Emerging Markets Review, Elsevier, vol. 12(4), pages 321-337.
    6. Uluc Aysun & Melanie Guldi, 2011. "Derivatives Market Activity in Emerging Markets and Exchange Rate Exposure," Emerging Markets Finance and Trade, M.E. Sharpe, Inc., vol. 47(6), pages 46-67, November.
    7. Eric Solberg, 2004. "Occupational assignment, hiring discrimination, and the gender pay gap," Atlantic Economic Journal, Springer;International Atlantic Economic Society, vol. 32(1), pages 11-27, March.

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