[1] Tech Univ Chemnitz, Dept Econ & Business, Empir Econ, Thuringer Weg 7, D-09126 Chemnitz, Germany
[2] Ludwig Maximilians Univ Munchen, Dept Math Comp Sci & Stat, Stat & Econometr, Akad Str 1-I, D-80799 Munich, Germany
[3] Univ Appl Sci, FOM Hsch Oekon & Management, Herkulesstr 32, D-45127 Essen, Germany
[4] Montpellier Business Sch, Social & Sustainable Finance, 2300 Ave Moulins, F-34185 Montpellier, France