客户集中度风险、政府补贴与公司研发投入——来自中国制造业上市公司的经验证据

王勇朱瑞星

Customer Concentration Risk,Government Subsidy and Company R&D Investment——Empirical Evidence from China's Manufacturing Listed Companies

Wang Yong,Zhu Ruixing

工业技术经济 . 2017, (5): 75 -85 .