[1] Nankai Univ, Key Res Basement, Chinese Minist Educ Social Sci, Ctr Corp Governance, Tianjin 300071, Peoples R China
[2] Nankai Univ, Sch Business, Dept Financial Management, Tianjin 300071, Peoples R China
[3] Univ Minnesota, Labovitz Sch Business & Econ, Duluth, MN 55812 USA