[Retracted] The Impact of Innovative Industrial Cluster Policy on Regional Innovation: Evidence from a Quasi-Natural Experiment in China

Table 1

Description of main variables.

Variable	Total sample			Treated group			Control group
	N	Mean	SD	N	Mean	SD	N	Mean	SD
Innov	3192	4.4737	1.9281	660	6.2511	1.9846	2532	4.0105	1.6195
Eco	3192	1.3135	0.6535	660	1.7153	0.5822	2532	1.2088	0.6302
Open	3192	0.0175	0.0184	660	0.0260	0.0203	2532	0.0153	0.0172
Fin	3192	2.2546	1.1592	660	2.6048	1.2476	2532	2.1634	1.1174
Pop	3192	5.8680	0.7139	660	6.2109	0.6660	2532	5.7786	0.6989
Hum	3192	4.5179	1.0903	660	5.3232	0.9401	2532	4.3080	1.0274
Int	3192	0.3654	1.0426	660	0.2736	0.6722	2532	0.3893	1.1181