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

Table 2

Test results of the significance of the threshold effect of knowledge accumulation.

	F		Size	Critical values
				1%	5%	10%
Threshold	38.79	0.0133	300	38.8477	28.7641	25.7856

Notes: means , means , and means .