(1. School of International and Public Affairs, Shanghai Jiao Tong University, Shanghai 200030, China;2. China Institute

for Urban Governance, Shanghai Jiao Tong University, Shanghai 200030, China; 3. School of Public Policy and

Administration, Xi'an Jiao Tong University, Xi'an 710049, China; 4. Research Center for Performance Management, Xi'anJiao Tong University, Xi'an 710049, China;5. School of Media and Communication, Shanghai Jiao Tong University,

Shanghai 200240, China;6. China Society of Automotive Engineers, Beijing 100176, China)