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Oaxaca-Blinder Type Counterfactual Decomposition Methods for Duration Outcomes

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  • García, A.

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Abstract

Existing inference procedures to perform counterfactual decomposition of the difference between distributional features, applicable when data is fully observed, are not suitable for censored outcomes. This may explain the lack of counterfac- tual analyses using target variables related to duration outcomes, typically observed under right censoring. For instance, there are many studies performing counterfac- tual decomposition of the gender wage gaps, but very few on gender unemployment duration gaps. We provide an Oaxaca-Blinder type decomposition method of the mean for censored data. Consistent estimation of the decomposition components is based on a prior estimator of the joint distribution of duration and covariates under suitable restrictions on the censoring mechanism. To decompose other distribu- tional features, such as the median or the Gini coefficient, we propose an inferential method for the counterfactual decomposition by introducing restrictions on the func tional form of the conditional distribution of duration given covariates. We provide formal justification for asymptotic inference and study the finite sample performance through Monte Carlo experiments. Finally, we apply the proposed methodology to the analysis of unemployment duration gaps in Spain. This study suggests that factors beyond the workers' socioeconomic characteristics play a relevant role in explaining the difference between several unemployment duration distribution fea- tures such as the mean, the probability of being long term unemployed and the Gini coefficient.

Suggested Citation

  • García, A., 2016. "Oaxaca-Blinder Type Counterfactual Decomposition Methods for Duration Outcomes," Documentos de Trabajo 014186, Universidad del Rosario.
  • Handle: RePEc:col:000092:014186
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    File URL: http://repository.urosario.edu.co/bitstream/handle/10336/11607/dt183.pdf
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    More about this item

    Keywords

    Oaxaca-Blinder Decomposition; Right Censoring; Counterfactual Out- comes; Duration Data; Hazard Models; Unemployment Duration; Gender Gaps.;

    JEL classification:

    • C14 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Semiparametric and Nonparametric Methods: General
    • C24 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Truncated and Censored Models; Switching Regression Models; Threshold Regression Models
    • C41 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods: Special Topics - - - Duration Analysis; Optimal Timing Strategies
    • J64 - Labor and Demographic Economics - - Mobility, Unemployment, Vacancies, and Immigrant Workers - - - Unemployment: Models, Duration, Incidence, and Job Search

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