作者机构:[1]China Academy of Corporate Governance, Business School, and Binhai College, NankaiUniversity, Tianjin 300071, China, [2]China Academy of Corporate Governance, and Business School, Nankai University, Tianjin30007 I, China, [3]Business School, Nankai University, Tianjin 300071, China, [4]College of Liberal Arts and Science, University of Iowa, Iowa City, IA 52242, USA
相关基金:We gratefully acknowledge support from the National Natural Science Foundation of China (No. 70872048, 71272184), and the Key Program of Key Research Institute for Humanities and Social Science, Ministry of Education (No. 11JJD630005).