Government R&D Investment, Knowledge Accumulation, and Regional Innovation Capability: Evidence of a Threshold Effect Model from China

Table 4

Model parameter estimation results.

	Coef.	Std. err	t		95%	Conf. interval
	0.2777	0.0899	3.09	≤0.01	0.1006	0.4548
	6.6614	0.9578	6.95	≤0.001	4.7755	8.5472
	0.0129	0.1188	0.11	0.914	−0.2210	0.2468
	−0.0346	0.0525	−0.66	0.510	−0.1380	0.0687
	−27.3455	20.6312	−1.33	0.186	−67.9680	13.2771
	16.9577	4.9118	3.45	≤0.01	7.2863	26.6291
Cons	10.3542	0.6585	15.72	≤0.001	9.0576	11.6509

Notes: means , means , and means .