[1] Trier Univ, Fac Management, D-54286 Trier, Germany
[2] Erasmus Univ, Erasmus Sch Econ, POB 1738, NL-3000 DR Rotterdam, Netherlands
[3] Erasmus Univ, Erasmus Inst Management ERIM, POB 1738, NL-3000 DR Rotterdam, Netherlands
[4] Queensland Univ Technol, QUT Business Sch, Australian Ctr Entrepreneurship Res, 2 George St, Brisbane, Qld 4000, Australia
[5] Frankfurt Sch Finance & Management, Sonnemannstr 9-11, D-60314 Frankfurt, Germany