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

T. Azomahou (), F.L. Diallo () and Wladimir Raymond ()
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T. Azomahou: UNU-MERIT
F.L. Diallo: UNU-MERIT, Université Cheikh Anta Diop de Dakar

No 2014-026, MERIT Working Papers from United Nations University - Maastricht Economic and Social Research Institute on Innovation and Technology (MERIT)

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.

Keywords: Deworming programs; school meals programs; project analysis; double-index selection; complementarity vs. substitutability; educational outcomes; quasi-experiment; social welfare; Africa; Senegal (search for similar items in EconPapers)
JEL-codes: C31 C34 I25 O22 (search for similar items in EconPapers)
Date: 2014-03-31
New Economics Papers: this item is included in nep-afr and nep-dev
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