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First Author:
 
Matthias Hartmann
Alfred-Weber-Institute for Economics, University of Heidelberg
matthias.hartmann@awi.uni-heidelberg.de
 
Bergheimer Str. 58
Heidelberg, 69115, Germany
 
+49 6221 542908(Phone)
+49 6221 542908(Fax)

Second Author:

Helmut Herwartz
Department of Econonomics, University of Göttingen
hherwartz@uni-goettingen.de
 
Platz der Göttinger Sieben 5
Göttingen, 37073, Germany
 
+49 551 - 39 7350(Phone)
+49 551 - 39 7279(Fax)