Onur A. Koska University of Würzburg   University of Wuerzburg, Department of Economics Chair of International Macroeconomics (VWL2) Sanderring 2 Wuerzburg, Bayern 97070 Germany   onur.koska@uni-wuerzburg.de             JEL Areas: F2 : International Factor Movements and International Business: General F0 : International Economics: General