Table 2.

Results of the multivariate probit estimation on the sharing of microbial materials. For the definition of the variables, descriptive statistics and correlation matrix, cf. Annexes A–C.

Outcome variable: MSHARING ALLOW (n = 120)
		Received from cc			Received from gov res instit			Received from univ
		Signif.	Coef.	Std. err.	Signif.	Coef.	Std. err.	Signif.	Coef.	Std. err.
Explanatory variables
Non-profit orientation	For profit td:paraenter	(−)	−6.6761	464	(−)**	−2.8107	1.0883	(−)**	−1.6868	0.7661
Organizational network membership	Networks no td:paraenter	(−)*	−0.8956	0.4630	(−)**	−0.8711	0.4383	(−)***	−0.9898	0.3585
Internalized motivations	Materials prov duty	(+)*	0.5923	0.3396	(+)***	1.3029	0.3492	(+)***	0.9318	0.2974
External rules/incentives for sharing	Materials ABS country	(+)	0.2395	0.3702	(+)**	0.8921	0.4328	(+)	0.0389	0.3600
	Materials ABS org	(−)	−0.0212	0.3891	(−)	−0.0025	0.4010	(−)	−0.0611	0.4195
	Gov incentives materials	(+)	0.5883	0.3723	(+)	0.0490	0.3862	(+)	0.4395	0.3617
	Gov rules materials	(−)**	−1.0696	0.4602	(−)	−0.7146	0.4515	(+)	0.0444	0.3780
Control variables
Provenance of materials	Other cc	(+)	0.2456	0.5735	(−)	−0.4834	0.4356	(−)	−0.2961	0.3808
	Collection abroad	(+)**	1.7059	0.7099	(+)**	1.0249	0.5048	(+)***	1.1586	0.4048
Size/nature of contributions of materials	Home contribute	(−)**	−1.4521	0.7102	(+)	4.9234	366	(+)	1.2131	1.0633
	Private sector no	(−)***	−1.1596	0.3854	(−)	−0.3371	0.3382	(−)	−0.4697	0.3066
	Formal third party use for some	(+)**	0.7084	0.3430	(+)**	0.7741	0.3330	(+)**	0.6777	0.2986
Capacity	Receive governt funded large	(+)**	1.8068	0.7751	(+)**	2.6364	1.0988	(+)	4.5865	526

^*Significant at 10% level.

^**Significant at 5% level.

^***Significant at 1% level.