Holger Graf
Friedrich-Schiller University, Jena
Economics Department
Carl-Zeiss-Str. 3
D-07743 Jena
Tel: +49 (0 …-Schiller University, Jena, Economics Department, Carl-Zeiss-Str. 3, D-07743
Jena, phone: +49(0)3641 943204, fax: +49(0)3641 943202, email …