Hongyang, Li, Fang Shuying, Martin Skitmore, and Nima Talebian. 2022. “Willingness-to-Pay for Energy-Saving Retrofits of Residential Buildings and Its Influencing Factors: The Case of the Pearl River Delta, China”. Technological and Economic Development of Economy 28 (6):1684–1710. https://doi.org/10.3846/tede.2022.17582.