4 IZA Discussion Papers
IZA Discussion Paper No. 14307
IZA Discussion Paper No. 12476
published in: Review of Economics and Statistics, 2022, 104 (6), 1273–1288.
IZA Discussion Paper No. 10641
This analysis of midline experimental results was expanded using endline data in IZA DP No. 12476,
IZA Discussion Paper No. 9206
published in: American Journal of Agricultural Economics, 2018, 100 (4), 1012–1031