An Empirical Analysis on the Impact of Innovation Network Structure on Crossover Innovation Performance of Emerging Technologies

Table 2

Indicators of the cooperative innovation network of autonomous driving technology.

Stage	2006–2008	2009–2011	2012–2014	2015–2017	2018–2020
Number of the nodes	39	39	76	202	568
Number of connecting lines	34	33	57	164	495
Average degree	1.744	1.692	1.5	1.624	1.743
Average density	0.046	0.045	0.02	0.008	0.003
Average clustering coefficient	1	0.922	0.925	0.89	0.706
Average path length	1	1.108	1.034	1.155	2.832