Table 9 Robustness tests results.

From: The impact of perceived environmental corporate social responsibility on idea generation and idea implementation

Variables	Curvilinear model						No ownership control
	Model 1			Model 2			Model 3			Model 4
	IG			II			IG			II
	β	\(t\)-value	\(p\)-value	β	\(t\)-value	\(p\)-value	β	\(t\)-value	\(p\)-value	β	\(t\)-value	\(p\)-value
Constant	3.269	5.680	0.000^***	2.316	3.840	0.000^***	2.557	8.245	0.000^***	1.698	5.245	0.000^***
Gender	−0.043	−0.424	0.672	0.050	0.470	0.639	−0.025	−0.252	0.801	0.060	0.577	0.564
Age	0.025	0.639	0.523	−0.025	−0.621	0.535	0.025	0.656	0.512	−0.026	−0.647	0.518
Education	−0.032	−0.835	0.405	−0.021	−0.523	0.602	−0.033	−0.851	0.395	−0.020	−0.505	0.614
Firm size	0.024	0.471	0.638	0.022	0.421	0.674	−0.011	−0.400	0.690	0.001	0.019	0.985
Team size	−0.064	−2.296	0.022^**	−0.034	−1.157	0.248	−0.064	−2.317	0.021^**	−0.034	−1.168	0.244
Tenure	0.049	1.618	0.107	0.130	4.108	0.000^***	0.048	1.604	0.110	0.126	4.060	0.000^***
Position	0.004	0.126	0.900	0.057	1.644	0.101	0.014	0.421	0.674	0.068	1.980	0.049^**
Marital status	0.048	1.858	0.064^*	0.073	2.693	0.007^***	0.045	1.754	0.080^*	0.070	2.620	0.009^***
Ownership	0.106	0.858	0.391	0.067	0.518	0.605
PECSR							0.292	8.729	0.000^***	0.351	10.046	0.000^***
PECSR _Squared	0.003	0.111	0.911	0.030	1.205	0.229
PsyCap	−0.025	−0.225	0.822	0.056	0.478	0.633	0.106	2.323	0.021^**	0.115	2.405	0.017^**
PECSR x PsyCap							0.103	2.479	0.014^**	0.083	1.918	0.056^*
PECSR _Squared x PsyCap	0.011	1.746	0.082^*	0.006	0.910	0.363
R²	0.334			0.401			0.336			0.406
Adjusted R²	0.310			0.379			0.312			0.387
F value	14.008^***			18.685^***			14.137^***			20.917^***

PECSR perceived ECSR, IG idea generation, II idea implementation.
^*p < 0.10, ^**p < 0.05, ^***p < 0.01.

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