Liu, Yang, and Yabing Zhang. “An Analysis of the Influence and Mechanisms of the Digital Economy on the Disparities in Urban Total Factor Productivity”. Technological and Economic Development of Economy 31, no. 4 (July 7, 2025): 1065–1092. Accessed July 12, 2025. https://journals.vilniustech.lt/index.php/TEDE/article/view/22638.