Voigt, Stefan; Park, Sang-Min - 2008
Joint Discussion Paper
Series in Economics
by the Universities of
Aachen · Gießen · Göttingen
Kassel · Marburg … • Philipps University Marburg • Faculty of Business Administration &
Economics • Universitätsstr. 24, D-35032 Marburg
Tel: ++49 … International Economics, Dept. of Business Administration and Econom-
ics, Philipps University Marburg, Barfüßertor 2, D-35037 …