[1] Shanghai Univ, Sch Management, Shanghai 200444, Peoples R China
[2] Tongji Univ, Sch Econ & Management, Shanghai 200092, Peoples R China
[3] Xiamen Univ, Sch Management, Xiamen 361005, Peoples R China
[4] Tongji Univ, Dept Publ Management, Shanghai 200092, Peoples R China