Table 1.
Variable name and description.
Fig 1.
Mediation framework diagram.
Table 2.
Descriptive statistics.
Table 3.
Pairwise correlations.
Table 4.
Regression results for Models 2 to 4.
Table 5.
Results after re-measuring total factor productivity for Models 2 and 4.
Table 6.
Test results for instrumental variable method.
Table 7.
Results for Heckman two-step tests.
Table 8.
Results for grouping test for Model 2, and those for Model 8.
Table 9.
Results for Heterogeneity discussion.