1. Research Center for Economy of Upper Reaches of the Yangtse River, Chongqing Technology and Business University, Chongqing 400067, China
2. School of Business Planning, Chongqing Technology and Business University, Chongqing 400067, China
3. Science and Technology Innovation Strategy Institute of Yangtze River and Jialing River in Chongqing, Chongqing Technology and Business University, Chongqing 400067, China