3 IZA Discussion Papers
IZA Discussion Paper No. 16487
IZA Discussion Paper No. 4429
published in: Christopher J. Coyne and Rachel L. Mathers (eds.), The Handbook on the Political Economy of War, Edward Elgar Publishing, 2011
IZA Discussion Paper No. 1543
substantially revised version published as 'Voting on income tax exemptions' in: Public Choice, 2009, 138 (1-2), 239-253