[1] IESEG Sch Management, UMR 9221, LEM Lille Economie Management, Lille, France
[2] Univ Lille, UMR 9221, LEM Lille Economie Management, Lille, France
[3] CNRS, UMR 9221, LEM Lille Economie Management, Lille, France
[4] Polish Acad Sci, Inst Econ, Warsaw, Poland