Author(s): |
Haitao Lin, School of Economics and Management, Beijing Jiaotong University, No.3 of Shangyuancun, Haidian District, Beijing, China, 100044 Yihong Ru, School of Economics and Management, Beijing Jiaotong University, No.3 of Shangyuancun, Haidian District, Beijing, China, 100044 Hanqing Li, School of Economics and Management, Beijing Jiaotong University, No.3 of Shangyuancun, Haidian District, Beijing, China, 100044 |