4 IZA Discussion Papers
IZA Discussion Paper No. 16246
IZA Discussion Paper No. 15391
IZA Discussion Paper No. 10151
published in: Journal of Economic Behavior & Organization, 2017, 141: 164-176
IZA Discussion Paper No. 7637
published in: Review of Economics of the Household, 2015, 13(3), 459-486