世界银行：技术脱钩？美国对中国企业的限制对创新的影响（英文版）

Recent U.S.-China tensions have raised the specter of technological decoupling. This paper examines the impact of U.S. export restrictions and technology licensing on Chinese firms’ innovation. It finds that U.S. sanctions reduce the quantity and quality of patent outputs of targeted Chinese firms, primarily due to decreased collaboration with U.S. inventors. However, firms with higher initial patent stock or in sectors with a smaller technological distance to the U.S. are less affected. Sanc