Jiajun Xu is an Associate Professor at the School of Finance and Economics, Jimei University, China. He holds a Ph.D. in Western Economics from Wuhan University. His research focuses on sustainable development, digital economy, urban economics. He has published multiple articles in journals including Business Strategy and the Environment, Energy Policy, Energy, Sustainable Cities and Society, Energy Strategy Reviews, Journal of Environmental Management, Journal of Business Research, and Environment, Development and Sustainability.