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Table 7 VAR Granger causality/block exogeneity Wald tests

From: Interplays among R&D spending, patent and income growth: new empirical evidence from the panel of countries and groups

  Included observations: 266
Dependent variable: D(PCGDPGRTH)    
 Excluded Chi-sq df Prob.
 D(RDSHARE) 1.523615 2 0.4668
 D(PATENT) 4.859931 2 0.088
 All 7.926856 4 0.0943
Dependent variable: D(RDSHARE)    
 Excluded Chi-sq df Prob.
 D(PATENT) 8.258505 2 0.0161
 D(PCGDPGRTH) 22.08857 2 0
 All 34.10394 4 0
Dependent variable: D(PATENT)    
 Excluded Chi-sq df Prob.
 D(RDSHARE) 1.617572 2 0.4454
 D(PCGDPGRTH) 2.903713 2 0.2341
 All 3.839845 4 0.4281
  1. Note: Optimum lag has been derived as 2
  2. Source: computed by the authors using Eviews