Market Integration and Regional Innovation in China: Evidence from the Yangtze River Delta Region

Table 4

Results of panel unit root tests.

	ADF-Fisher	PP-Fisher	LLC	HT	IPS W-stat
lnRI	103.078	189.137	−7.290	3.529	−3.323
lnMI	100.920	222.740	−6.850	4.995	−3.238
lnGOV	126.899	263.897	−10.560	4.721	−4.781
lnPTI	119.935	206.487	−12.839	7.103	−2.487
lnINT	169.752	195.645	−48.613	7.182	−12.722
lnFDI	131.228	173.065	−11.287	4.576	−5.371
lnGDP	176.593	276.948	−15.695	3.744	−8.063
lnTR	146.521	187.248	−14.261	4.340	−6.226

Note. indicates significance at the level of 1%.