Study on the Growth Driving Model of the Enterprise Innovation Community Based on the Lotka–Volterra Model: A Case Study of the Chinese Automobile Manufacturing Enterprise Community

Table 2

Innovation symbiotic mechanism of the automobile manufacturing community.

Population	Enterprise	γ1	γ11	γ12	Symbiotic mechanism
Automobile manufacturing	BYD	0.014 (0.364)	−9.179E − 12(−0.887)	2.503E − 12 (1.264)	Share driven
	Great Wall	−0.057 (−3.902)^∗∗∗	−3.489E − 12 (−0.400)	2.345E − 12 (2.771)^∗∗∗	Share driven
	SAIC	0.102 (6.661)^∗∗∗	−1.337E − 12 (−0.287)	−1.204E − 12 (−1.025)	External competition
	GAC	−0.188 (−1.935)^∗	−4.400E − 11 (−3.450)^∗∗∗	1.424E − 11 (3.061) ^∗∗∗	Share driven
	Changan	0.112 (3.798)^∗∗∗	1.351E − 11 (1.275)	−3.452E − 12 (−4.684)^∗∗∗	External competition
	FAW	−0.392 (−2.766)^∗∗∗	−2.389E − 10 (−4.110)^∗∗∗	1.796E − 11 (4.019)^∗∗∗	Share driven
	JAC	0.197 (4.312)^∗∗∗	−3.452E − 11 (−2.040)^∗∗	−2.124E − 12 (−4.601)^∗∗∗	External competition
Auto parts	Weichai Power	0.292 (3.943)^∗∗∗	−2.273E − 12 (−0.306)	−6.692E − 12 (−1.452)	External competition
	Huayu automobile	0.120 (3.030)^∗∗∗	−3.789E − 11 (−2.333)^∗∗	1.156E − 12 (0.509)	Share driven
	Desaisi	0.334 (1.464)	−4.066E − 10 (−1.259)	−5.413E − 12 (−0.676)	External competition
	Xingyu Co., Ltd	−0.267 (−1.753)^∗	−1.311E-09 (−4.265)^∗∗∗	2.129E − 11 (3.326)^∗∗∗	Share driven
	Top group	0.373 (0.034)^∗∗∗	1.447E − 10 (0.972)^∗	−1.173E − 11 (−0.606)^∗∗∗	External competition
	Chang’anB	0.139 (3.183)^∗∗∗	−1.105E − 11 (−0.640)	−2.343E − 12 (−0.983)	External competition
	Fuyao Glass	0.097 (1.612)	−7.141E − 11 (−1.177)	−1.731E − 13 (−0.233)	External competition
	Ningde Era	0.293 (1.578)^∗	6.827E − 11 (3.417)^∗∗∗	−9.552E − 12 (−1.635)^∗	External competition
Automobile service industry	Guanghui	0.163 (1.029)	−5.259E − 11 (−3.943)^∗∗∗	2.157E − 11 (1.263)	Share driven
	CARI	−0.216 (−2.163)^∗∗	1.222E − 11 (1.31)	1.581E − 11 (2.453)^∗∗	Share driven
	Huge Group	−0.058 (−1.521)	2.027E − 12 (0.578)	1.893E − 12 (1.130)	Share driven
	Guoji automobile	1.011(2.970)^∗∗∗	−5.471E − 10 (−3.093)^∗∗∗	−3.921E − 11 (−2.696)^∗∗∗	External competition
	Oriental Fashion	−0.231 (−1.597)^∗	−6.826E − 10 (−8.736)^∗∗∗	5.001E − 11 (4.141)^∗∗∗	Share driven

() t value, ^∗ value < 0.1, ^∗∗ value < 0.05, ^∗∗∗ value < 0.01.