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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