1. ISCTE Business School, Business Research Unit (BRU-IUL), Instituto Universitário de Lisboa (ISCTE-IUL), Lisboa, Portugal
2. Department of Economics and Management, Instituto Politécnico de Setúbal (ESCE-IPS), Setúbal, Portugal; Business Research Unit (BRU-IUL), Instituto Universitário de Lisboa (ISCTE-IUL), Lisboa, Portugal