2 IZA Discussion Papers
IZA Discussion Paper No. 8847
published in: Migration Studies, 2021, 9 (4), 1823 - 1856
IZA Discussion Paper No. 5043
revised version published as 'Business and the Development of Job Security Regulations: The Case of Germany' in: Socio-Economic Review, 2011, 9 (4), 729-756