Onur A. Koska College of Business and Economics University of Canterbury   University of Wuerzburg, Department of Economics Chair of International Macroeconomics (VWL2) Sanderring 2 Wuerzburg, Bayern 97070 Germany   onur.koska@canterbury.ac.nz             JEL Areas: F2 : International Factor Movements and International Business: General Q5 : Environmental Economics: General