Evalution of Development Policy: Treatment versus Program Effects
نویسندگان
چکیده
There is a growing interest, notably in development economics, in extending project evaluation methods to the evaluation of multiple interventions (“programs”). In program evaluations one is interested in the aggregate impact of a program rather than the effect on individual beneficiaries. In many situations randomized controlled trials cannot identify this impact. We propose a measure of program impact, the total program effect (TPE), which is a generalization of the treatment effect on the treated (ATET). We show how the TPE can be estimated. JEL Codes: C21, C33, O22 keywords: program evaluation; randomized controlled trials; policy evaluation; treatment heterogeneity; budget support; sector-wide programs; aid effectiveness 1 We are grateful to Jean-Marie Baland, Martin Ravallion and Vincenzo Verardis for helpful discussions and to Remco Oostendorp for very useful comments on an earlier version of the paper. 2 Evaluation of Development Policy: Treatment versus Program Effects
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