[1] Concordia Univ, John Molson Sch Business, David OBrien Ctr Sustainable Enterprise, 1455 Blvd Maisonneuve West, Montreal, PQ H3G 1M8, Canada
[2] Lebanese Univ, Fac Business Adm & Econ, Beirut, Lebanon
[3] Univ Grenoble Alpes, CNRS, CERAG, BP 47, F-38040 Grenoble 9, France