Duflo, Esther; Glennerster, Rachel; Kremer, Michael - In: Handbook of development economics : volume 4, (pp. 3895-3962). 2007
evaluations when there are departures from the basic framework. It reviews in particular how to handle imperfect compliance and … externalities. Finally, it discusses some of the issues involved in drawing general conclusions from randomized evaluations …, including the necessary use of theory as a guide when designing evaluations and interpreting results. …