3 IZA Discussion Papers
IZA Discussion Paper No. 4895
published in: International Economic Review, 2018, 57 (3), 787 - 825
IZA Discussion Paper No. 888
revised version published in: Economics Letters, 2005, 88 (1), 79-84
IZA Discussion Paper No. 665
revised version published as 'Fancy a stay at the 'Hotel California'? in: Kyklos, 2005, 58 (4), 519-535