3 IZA Discussion Papers
IZA Discussion Paper No. 10068
published in: Review of Economic Studies, 2019, 86 (4), 1411-1447
IZA Discussion Paper No. 8755
published as: 'Can Rigorous Impact Evaluations Improve Humanitarian Assistance?' in: Journal of Development Effectiveness, 2017, 9 (4), 519 - 542.
IZA Discussion Paper No. 4800
published in: Journal of Economic Perspectives, 2010, 24 (2), 3-30