[Liu, Shun Jia] Hunan Agr Univ, Sch Business, Changsha 410128, Peoples R China.
[Zhu, Xiaoqian; Li, Jianping] Univ Chinese Acad Sci, Sch Econ & Management, Beijing, Peoples R China.
[Zhu, Xiaoqian; Li, Jianping] UCAS, MOE Social Sci Lab Digital Econ Forecasts & Policy, Beijing, Peoples R China.
[Wu, Dengsheng] Shenzhen Univ, Coll Management, Shenzhen 518060, Peoples R China.
[Xu, Xin Long; Xu, XL] Hunan Normal Univ, Coll Tourism, Changsha 410081, Peoples R China.