Belot, Michele; James, Jonathan - Scottish Institute for Research in Economics (SIRE) - 2013
-relevant experiments. We document and test the implications of self-selection in the context of randomised policy experiment we conducted … the magnitude is small. Moreover, We do not find signifi cant di erences in the treatment e ffects of the experiment … between variables which, albeit to a mild degree, are correlated with selection into the experiment. To our knowledge, this is …