技术机会、行业异质性与大城市创新集聚——以北京市制造业为例
孙瑜康, 李国平, 席强敏

Technical Opportunity, Industry Heterogeneity and Innovation Agglomeration in Metropolis: Taking the Manufacturing Industry of Beijing as an Example
Yukang Sun, Guoping Li, Qiangmin Xi
表1 北京市总体及高中低产业创新活动影响机制回归结果
Table 1 Regression results of the mechanism of the overall and high, middle and low industrial innovation activities in Beijing
变量 总体 高技术产业 中技术产业 低技术产业
Uni 0.011 0.343** 0.023 0.012
Div 0.200*** 0.252*** 0.237*** 0.029
Ind 0.022* 0.023*** 0.042*** 0.297***
Ski 0.011 0.280*** 0.112*** -0.011
RD 0.048*** 0.039*** 0.153** 0.020**
Sci -0.021 0.078 0.101 -0.022
Tra 0.041*** 0.032*** 0.057*** 0.033*
Hausman检验 0.000 0.000 0.000 0.000
样本量 980 980 980 980