自主研发与技术引进对企业绩效影响差异分析
THE RELATIONSHIP BETWEEN R&D ACTIVITIES, TECHNOLOGY IMPORT SPILL-OVER AND FIRM PERFORMANCE
自主研发 / 技术引进 / 企业绩效 / 平均处理效应 / 匹配. {{custom_keyword}} /
R&D activities / technology spillovers / firm performance / average treatment effect / matching. {{custom_keyword}} /
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