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Table 8 Influence of highly developed regions on learning efficiency

From: Near is more: learning efficiency in research and development innovation among interlocking firms

  Y = RD1t+1
X = CoRD1t X = KmRD1t
(1) (2)
Intercept 0.0153*** 0.0154***
(5.53) (5.67)
Xt 0.0375 − 0.0014
(0.33) (− 1.82)
Xt*Areat 0.0587** 0.0008*
(3.08) (2.32)
Areat 0.0024*** 0.0029***
(4.23) (6.97)
Control variables YES YES
Firm & Year FE YES YES
Adj R2 28.28% 27.37%
Obs 8922 8922
  1. This table present shows how highly developed regions impact the learning efficiency of interlocking firms in regression (6). Column (1) and (2) respectively shows the regression results of two explanatory variables on the dependent variable RD. Firm fixed effects and year fixed effects are controlled in the regression. The T statistic is in parentheses under the coefficient.*, **, and *** mean statistical significance at 5%, 1%, and 0.1% respectively