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First Author:
 
Karen Pittel
Ifo Institute and University of Munich
pittel@ifo.de
 
Ifo Institute, Poschingerstr. 5
Munich, 81679, Germany
 
0049 89 9224 1384(Phone)
0049 89 9224 1384(Fax)

Second Author:

Dirk Rübbelke
Technische Universität Bergakademie Freiberg
Dirk.Ruebbelke@vwl.tu-freiberg.de
 
Lessingstr. 45, Lessingstr. 45
Freiberg, 09599, Germany