[Niu, Wentao; Shi, Jingyi; Su, Xiaoshan] Zhengzhou Univ, Res Ctr Econ Dev & Environm Yellow River Basin, Zhengzhou 450001, Peoples R China.
[Niu, Wentao; Shi, Jingyi; Su, Xiaoshan] Zhengzhou Univ, Sch Tourism Management, Zhengzhou 450001, Peoples R China.
[Xu, Zhenzhen] Deakin Univ, Sch Architecture & Built Environm, Geelong, Vic 3219, Australia.
[Wang, Tianxi] Univ Edinburgh, Business Sch, 29 Buccleuch Pl, Edinburgh EH8 9JS, Midlothian, Scotland.
[Zhang, Hexiong] Cent China Normal Univ, Coll Publ Adm, Wuhan 430079, Peoples R China.