Bernd Beber 1, 2, Alexandra Scacco 2, Macartan Humphreys 2, 3, Pheliciah Mwachofi 4, Dean Yang 5
1 RWI - Leibniz Institute for Economic Research, 2 WZB Berlin Social Science Center, 3 Columbia University, 4 Innovations for Poverty Action, 5 University of Michigan