共 50 条
- [42] Research on dynamic pricing and R&D investment decisions of enterprises for different commodity qualities Harbin Gongcheng Daxue Xuebao/Journal of Harbin Engineering University, 2018, 39 (05): : 941 - 948
- [47] Managerial Delegation, Product R&D and Subsidies on R&D Investment Costs B E JOURNAL OF ECONOMIC ANALYSIS & POLICY, 2023, 23 (01): : 55 - 78