[1] Oesterreich Natl Bank, Foreign Res Div, Otto Wagner Pl 3, A-1090 Vienna, Austria
[2] Zeppelin Univ Friedrichshafen, Dept Econ, Seemoser Horn 20, D-88045 Friedrichshafen, Germany
[3] Charles Univ Prague, Inst Econ Studies, Prague, Czech Republic
[4] Henan Univ, Sch Econ, Kaifeng, Henan, Peoples R China
[5] Bank Finland, Inst Econ Transit BOFIT, Snellmaninaukio, POB 160, FI-00101 Helsinki, Finland