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Identification and estimation of categorical random coefficient models

Author

Listed:
  • Zhan Gao

    (University of Southern California)

  • M. Hashem Pesaran

    (University of Southern California
    Trinity College)

Abstract

This paper proposes a linear categorical random coefficient model, in which the random coefficients follow parametric categorical distributions. The distributional parameters are identified based on a linear recurrence structure of moments of the random coefficients. A generalized method of moments estimation procedure is proposed, also employed by Peter Schmidt and his coauthors to address heterogeneity in time effects in panel data models. Using Monte Carlo simulations, we find that moments of the random coefficients can be estimated reasonably accurately, but large samples are required for the estimation of the parameters of the underlying categorical distribution. The utility of the proposed estimator is illustrated by estimating the distribution of returns to education in the USA by gender and educational levels. We find that rising heterogeneity between educational groups is mainly due to the increasing returns to education for those with postsecondary education, whereas within-group heterogeneity has been rising mostly in the case of individuals with high school or less education.

Suggested Citation

  • Zhan Gao & M. Hashem Pesaran, 2024. "Identification and estimation of categorical random coefficient models," Advanced Studies in Theoretical and Applied Econometrics,, Springer.
    • Handle: RePEc:spr:adschp:978-3-031-48385-1_5
    DOI: 10.1007/978-3-031-48385-1_5
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    More about this item

    Keywords

    Random coefficient models; Categorical distribution; Return to education;
    All these keywords.

    JEL classification:

    • C01 - Mathematical and Quantitative Methods - - General - - - Econometrics
    • C21 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Cross-Sectional Models; Spatial Models; Treatment Effect Models
    • C13 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Estimation: General
    • C46 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: Special Topics - - - Specific Distributions
    • J30 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - General

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