affiliation not provided to SSRN, Beijing Jiaotong University, Beijing Jiaotong University, affiliation not provided to SSRN, Beijing Jiaotong University, Beijing Jiaotong University, affiliation not provided to SSRN, affiliation not provided to SSRN, Beijing Jiaotong University, Beijing Jiaotong University, affiliation not provided to SSRN, Xingtai University, Xingtai University, Zhongyuan University of Technology and Northeastern University (USA)