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The harmony of programs package: Quasi-experimental evidence on deworming and canteen interventions in rural Senegal

Author

Listed:
  • Azomahou, T.

    (UNU-MERIT)

  • Diallo, F.L.

    (UNU-MERIT, Université Cheikh Anta Diop de Dakar)

  • Raymond, W.

    (SBE, Maastricht University)

Abstract

This paper uses a unique and large-scale quasi-experimental data to study the effect of deworming and school meals programs as a package on educational outcomes pupils test scores aggregate, French or math; enrollment, promotion or dropout rates in rural Senegal. We extend the endogenous selection model la Heckman to incorporate a double-index selection mechanism. We also generalize the Roy model accordingly. We develop estimation strategies based on the full information maximum likelihood and the two-step method. We derive a wide and rich collection of treatment effects ranging from exclusive to relative effects including sequential and substitution effects. The results show that the combination of deworming and school meals programs is more beneficial to pupils achievements than taking programs separately. The sequence of implementation does matter. The two programs are complementary in increasing scores and promotion rates. However, they are substitutes in reducing dropouts. The cost-effectiveness analysis shows the deworming program is by far cheaper than the meals intervention. Implementing meals program before deworming is more cost-effective than the reverse. Lastly, unlike the deworming, meals program and the package deworming and meals have a welfare-enhancing effect on households.

Suggested Citation

  • Azomahou, T. & Diallo, F.L. & Raymond, W., 2014. "The harmony of programs package: Quasi-experimental evidence on deworming and canteen interventions in rural Senegal," MERIT Working Papers 2014-026, United Nations University - Maastricht Economic and Social Research Institute on Innovation and Technology (MERIT).
    • Handle: RePEc:unm:unumer:2014026
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    File URL: https://www.merit.unu.edu/publications/wppdf/2014/wp2014-026.pdf
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    References listed on IDEAS

    as
    1. Yusaku Horiuchi & Kosuke Imai & Naoko Taniguchi, 2007. "Designing and Analyzing Randomized Experiments: Application to a Japanese Election Survey Experiment," American Journal of Political Science, John Wiley & Sons, vol. 51(3), pages 669-687, July.
    2. Imai, Kosuke & Strauss, Aaron, 2011. "Estimation of Heterogeneous Treatment Effects from Randomized Experiments, with Application to the Optimal Planning of the Get-Out-the-Vote Campaign," Political Analysis, Cambridge University Press, vol. 19(1), pages 1-19, January.
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    More about this item

    Keywords

    Deworming programs; school meals programs; project analysis; double-index selection; complementarity vs. substitutability; educational outcomes; quasi-experiment; social welfare; Africa; Senegal;
    All these keywords.

    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
    • C34 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Truncated and Censored Models; Switching Regression Models
    • I25 - Health, Education, and Welfare - - Education - - - Education and Economic Development
    • O22 - Economic Development, Innovation, Technological Change, and Growth - - Development Planning and Policy - - - Project Analysis

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