3 IZA Discussion Papers
IZA Discussion Paper No. 7837
published in: Journal of Banking and Finance, 2016, 73, 113-130
IZA Discussion Paper No. 4481
pubished in: Review of Income and Wealth, 2011, 57 (3), 536 - 560
IZA Discussion Paper No. 674
published in: Review of Income and Wealth, 2006, 51 (1), 17-42