7 IZA Discussion Papers
IZA Discussion Paper No. 17072
IZA Discussion Paper No. 16741
IZA Discussion Paper No. 16359
IZA Discussion Paper No. 12939
IZA Discussion Paper No. 11430
IZA Discussion Paper No. 11035
published in: Economica, 2019, 20 (1), 1 - 32
IZA Discussion Paper No. 9101
published in: American Economic Journal: Applied Economics, 2017, 9 (4), 105-136