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Table 11 Regression results of the overall sample: Authorized patent

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

 

Y = Patent2t+1

X = CoPatent2t

X = KmPatent2t

(1)

(2)

Intercept

− 9.6360***

− 9.6774***

(− 17.95)

(− 17.82)

Xt

0.0305**

0.0050*

(2.77)

(2.39)

Control variables

YES

YES

Firm & Year FE

YES

YES

Adj R2

19.18%

18.30%

Obs

3246

3246

  1. This table presents the regression results of the overall sample in regression (5). We have replaced RD1 for Patent2. Column (1) and (2) respectively shows the regression results of two explanatory variables on the dependent variable. 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