Innovation and service outsourcing: an empirical analysis based on data from Tunisian firms

Journal of Innovation and Entrepreneurship

A Systems View Across Time and Space

Table 5 Comparison of models

	Standard ordered probit			Ordered probit with selection
	(1) red_cout	(2) qua_ser	(3) flex_pro	(1) red_cout	(2) qua_ser	(3) flex_pro
LR test	7118.654	9766.78	5960.21	4529.506	1581.3	3691.124
Prob > χ ²	(0.000)	(0.000)	(0.000)	(0.000)	(0.000)	(0.000)
Wald χ ₇ ²	35.385	41.49	30.82	35.26	44.821	27.773
Prob > χ ²	(0.000)	(0.000)	(0.000)	(0.000)	(0.000)	(0.000)
AIC	42,663.3	31,940.35^a	45,414.32	37,893.89^a	35,921.03	41,897.73^a
BIC	42,695.03	31,972.08^a	45,446.05	37,946^a	35,973.14	41,949.83^a