[1] European Institute for International Economic Relations, University of Wuppertal (EIIW), Rainer-Gruenter-Str. 21, Wuppertal
[2] Schumpeter School of Business and Economics, University of Wuppertal, Gaußstr. 20, Wuppertal
[3] AICGS/Johns Hopkins University, Washington DC
[4] Shanghai Jiao Tong University, Shanghai