5 IZA Discussion Papers
IZA Discussion Paper No. 11859
IZA Discussion Paper No. 9316
published in: American Economic Review, 2017, 107(8), 2168-2203
IZA Discussion Paper No. 7800
published in: Labour Economics, 2018, 54, 100 - 115
IZA Discussion Paper No. 7088
published in: Scottish Journal of Political Economy, 2014, 61 (5), 523-536
IZA Discussion Paper No. 5671
published as 'Effects of training on employee suggestions and promotions' in: Schmalenbach Business Review, 65(3), 270-287.