HANNING HUANG. The Policy of Cross Border E-Commerce Comprehensive Pilot Zone and the Growth of Urban Total Factor Productivity — Empirical Testing Based on Double Difference Method. Law and Economy, [S. l.], v. 3, n. 7, p. 42–52, 2024. Disponível em: https://www.paradigmpress.org/le/article/view/1209. Acesso em: 21 may. 2025.