[1] Univ Beira Interior, Dept Gestao & Econ, Covilha, Portugal
[2] NECE, Res Unit Business Sci, Covilha, Portugal
[3] QUT Australian Ctr Entrepreneurship Res, Brisbane, Australia
[4] Inst Politecn Viseu, Sch Educ, Viseu, Portugal
[5] Univ Beira Interior, Covilha, Portugal
[6] Univ Valencia, IUDESCOOP, Valencia, Spain
[7] Univ Valencia, Business Adm Dept, Valencia, Spain