[1] Montpellier Business Sch, Montpellier Res Management, 2300 Ave Moulins, F-34185 Montpellier 4, France
[2] Leiden Univ, Leiden Law Sch, Inst Tax Law & Econ, Dept Business Studies, NL-2311 ES Leiden, Netherlands
[3] Erasmus Univ, Erasmus Sch Econ, POB 1738, NL-3000 DR Rotterdam, Netherlands