Table 10.

Robustness analysis.

Variable	Direct effects		Indirect effects		Total effects
	$\text{Coefficient}$	$\mathbf{t}\mathbf{values}$	$\text{Coefficient}$	$\mathbf{t}\mathit{v}\mathit{a}\mathit{l}\mathit{u}\mathit{e}\mathit{s}$	$\text{Coefficient}$	$\mathbf{t}\mathbf{values}$
InER	−0.3290***	−7.236	−0.7263***	−2.524	−0.21456***	−5.827
InTG	0.0452***	5.728	0.0249***	5.395	0.08704***	4.267
InEG	1.2741***	2.390	2.2874***	4.562	2.2024***	4.190
InP	0.7569***	4.187	0.1526***	9.920	0.2872***	7.827
InU	−0.0635***	−1.237	−0.0728***	−1.076	−0.00456***	−9.425
lnTR	−0.0024***	−9.424	0.0290***	4.218	−0.04126***	−2.169