[1] Univ Basque Country UPV EHU, Dept Financial Econ 1, Bilbao, Spain
[2] Free Univ Bozen Bolzano, Ctr Family Business Management, Bozen Bolzano, Italy
[3] Univ Lancaster, Dept Entrepreneurship & Strategy, Management Sch UK, Lancaster, England
[4] Zhejiang Univ, Inst Family Business, Hangzhou, Peoples R China
[5] Zhejiang Univ, Inst Entrepreneurs, Hangzhou, Peoples R China
[6] IMD Business Sch, Lausanne, Switzerland
[7] Univ Basque Country UPV EHU, Dept Financial Econ 2, Bilbao, Spain