[1] Tilburg Univ, Dept Management, Heuvelstr 14, NL-5131 AP Tilburg, Netherlands
[2] Politecn Milan, Milan, Italy
[3] Aalborg Univ, Aalborg, Denmark
[4] LUISS Guido Carli Univ, Dipartimento Impresa & Management, Viale Romania 32, I-00197 Rome, Italy
[5] Univ Pavia, Dipartimento Sci Econ & Aziendali, Via S Felice 7, I-27100 Pavia, Italy