3 IZA Discussion Papers
IZA Discussion Paper No. 7736
published in: Theory and Decision, 2014, 79, 133 -149
IZA Discussion Paper No. 7032
published in: Economics and Politics, 2013, 25(1), 48–60
IZA Discussion Paper No. 1237
published in: Defense and Peace Economics, 2007, 18 (6), 469–484