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Investigating the unobserved heterogeneity effect on outreach to women: lessons from microfinance institutions

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  • François-Seck Fall

    (LEREPS - Laboratoire d'Etude et de Recherche sur l'Economie, les Politiques et les Systèmes Sociaux - UT Capitole - Université Toulouse Capitole - UT - Université de Toulouse - UT2J - Université Toulouse - Jean Jaurès - UT - Université de Toulouse - Institut d'Études Politiques [IEP] - Toulouse - ENSFEA - École Nationale Supérieure de Formation de l'Enseignement Agricole de Toulouse-Auzeville)

  • Hubert Tchakoute Tchuigoua
  • Anne Vanhems
  • Léopold Simar

Abstract

The main objective of this study is to assess the impact of unobserved heterogeneity on microfinance social efficiency analysis. Based on recent nonparametric techniques and directional distances, we identify a latent heterogeneity factor related to the microfinance institute (MFI) manager's ability to promote women, independent of MFI size. We test for the significance of this unobserved factor and analyze the impact of MFI social inefficiency measures. Using a cross-country sample of 501 MFIs in 2011 from six main regions of the world, our findings reveal a significant effect of unobserved heterogeneity on the frontier and hence stress the importance of subjective factors in defining the set of production possibilities. We assess the robustness of our findings with the considered profit-oriented status and analyze the link between our unobserved heterogeneity factor and institutional and socioeconomic indicators.

Suggested Citation

  • François-Seck Fall & Hubert Tchakoute Tchuigoua & Anne Vanhems & Léopold Simar, 2023. "Investigating the unobserved heterogeneity effect on outreach to women: lessons from microfinance institutions," Post-Print hal-04102122, HAL.
    • Handle: RePEc:hal:journl:hal-04102122
    DOI: 10.1007/s10479-023-05353-y
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    1. Fall, François Seck & Tchakoute Tchuigoua, Hubert & Vanhems, Anne & Simar, Léopold, 2024. "A panel analysis of microfinance efficiency measures: Evidence on the effects of unobserved managerial ability," LIDAM Discussion Papers ISBA 2024020, Université catholique de Louvain, Institute of Statistics, Biostatistics and Actuarial Sciences (ISBA).

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