86 IZA Discussion Papers
IZA Discussion Paper No. 2437
published in: Oxford Bulletin of Economics and Statistics, 2009, 71 (2), 183–208
IZA Discussion Paper No. 2420
IZA Discussion Paper No. 2350
IZA Discussion Paper No. 2300
published in: Economics Letters, 2008, 98 (3), 235-239
IZA Discussion Paper No. 2229
published as 'Genetic Distance, Transportation Costs, and Trade' in: Journal of Economic Geography, 2014, 14 (1), 179-198
IZA Discussion Paper No. 2040
substantially revised version published in: Journal of Economic Behavior and Organization, 2009, 69 (3), 274-287