4 IZA Discussion Papers
IZA Discussion Paper No. 6488
published in: Journal of Money, Credit and Banking, 2013, 45 (6), 1165-1186
IZA Discussion Paper No. 3049
published in: Journal of Money, Credit, and Banking, 2009, 41 (2-3), 417-435
IZA Discussion Paper No. 2793
IZA Discussion Paper No. 174
published in: American Economic Review, 2001, 91 (5), 1239-1262