Qi Wei
Research Center for Economy of Upper Reaches of the Yangtse River, Chongqing Technology and Business University, Chongqing, China
Sheng Zeng
Research Center for Economy of Upper Reaches of the Yangtse River, Chongqing Technology and Business University, Chongqing, China
Hao Zhu
School of Economics and Management, Chongqing University of Posts and Telecommunications, Chongqing, China