
数字经济是赋能城市创新的新动力吗——基于272个城市的实证研究
Is Digital Economy a New Driving Force for Urban Innovation?An Empirical Research in 272 Cities
数字经济, 城市创新, 面板固定效应, 门槛回归
Digital Economy, Urban Innovation, Fixed Effects for Panel Data, Threshold Regression Model
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