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Table 9 Restricted access problems and innovation performance in the biomedical sector: Poisson regression results of variables versus innovation performance

From: Effects of research tool patents on biotechnology innovation in a developing country: A case study of South Korea

Innovation performance Coeff. Std. err. P > z
Constant** 1.289 0.612 0.035
Difficulty 0.116 0.091 0.200
Size 0.156 0.352 0.657
Age 0.004 0.006 0.512
Sigma 0.862 0.094 0.000
  Number of obs. 32  
  Log likelihood --128.999  
  Chi squared 678.769  
  Prob > chi2 0.000  
  1. Poisson model with normal heterogeneity
  2. ** denotes the correlation coefficient observed at significance level < 0.05.