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

BMC Biotechnology

Table 6 Are "restricted access problems" serious in the biomedical sector? OLR results (2)

Evaluating effects	Coeff.	Std. err.	P > z
Difficulty*	0.511	0.302	0.091
Size	--0.151	0.646	0.815
Age**	0.021	0.010	0.038
	Number of obs.	32
	Log likelihood	--39.123
	LR chi2(3)	7.32
	Prob > chi2	0.063

ISSN: 1472-6750