Djebbari, Habiba; Smith, Jeffrey A. - Forschungsinstitut zur Zukunft der Arbeit <Bonn> - 2008
program. Our paper contributes to the recent literature that tests and goes beyond the common effect model by investigating … impact heterogeneity using data from the experimental evaluation of the Mexican conditional cash transfer program PROGRESA... …The "common effect" model in program evaluation assumes that all treated individuals have the same impact from a …