Yen, Do Hai, and Phan Hoang Quynh Chi. 2025. “The Impact of Carbon Footprint Labels and QR Code Traceability on consumers’ Willingness to Pay: Evidence from a Discrete Choice Experiment in Urban Vietnam”. International Journal of Economic Perspectives 19 (11):1-20. http://ijeponline.org/index.php/journal/article/view/1204.