7 IZA Discussion Papers
IZA Discussion Paper No. 14334
IZA Discussion Paper No. 13785
IZA Discussion Paper No. 11850
IZA Discussion Paper No. 10909
IZA Discussion Paper No. 10796
IZA Discussion Paper No. 10121
published in: Journal of Safety Research, 2017, 61, 41-51
IZA Discussion Paper No. 4328
published in: Economic Record, 2011, 87 (278), 370 - 383