6 IZA Discussion Papers
IZA Discussion Paper No. 17340
IZA Discussion Paper No. 16688
IZA Discussion Paper No. 8888
published in: Journal of Economic Perspectives, 2015, 29 (2), 3–24
IZA Discussion Paper No. 7807
IZA Discussion Paper No. 5459
revised version published in: American Law and Economics Review, 2014, 16 (1), 269-312
IZA Discussion Paper No. 1374