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. 2022 Oct 5;13:1041798. doi: 10.3389/fpsyg.2022.1041798

TABLE 7.

Stepwise regression results of intermediation effects.

Intermediate variables
lnCdf
lnSubs
Variables lnTfp lnCdf lnTfp lnTfp lnSubs lnTfp
(1) (2) (3) (4) (5) (6)
GCL 0.373*** 0.224*** 0.325*** 0.373*** 0.499*** 0.323***
(17.50) (5.06) (17.00) (17.50) (10.23) (15.46)
lnCdf 0.213***
(41.43)
lnSubs 0.100***
(19.63)
lnAge 0.354*** 0.704*** 0.204*** 0.354*** 0.679*** 0.286***
(10.92) (10.44) (6.97) (10.92) (9.15) (9.02)
lnCash 0.013 –0.053** 0.024** 0.013 –0.010 0.014
(1.00) (–2.03) (2.12) (1.00) (–0.33) (1.11)
lnRoa 0.302*** 0.554*** 0.184*** 0.302*** 0.342*** 0.268***
(10.85) (9.55) (7.33) (10.85) (5.35) (9.87)
lnTang 0.542*** 0.374* 0.462*** 0.542*** –0.217 0.564***
(5.42) (1.80) (5.16) (5.42) (–0.95) (5.79)
lnLev 0.469*** 1.434*** 0.164*** 0.469*** 0.529*** 0.417***
(17.52) (25.73) (6.52) (17.52) (8.62) (15.89)
lnRoe –0.016 –0.415*** 0.073*** –0.016 –0.124*** –0.003
(–0.83) (–10.64) (4.30) (–0.83) (–2.89) (–0.18)
Constant 15.055*** 19.634*** 10.871*** 15.055*** 14.960*** 13.564***
(129.71) (81.26) (74.98) (129.71) (56.26) (99.61)
Bootstrap test(ind-eff)
Bootstrap test(dir-eff)
0.048 (0.000***) 0.05 (0.000***)
0.325(0.000***) 0.323 (0.000***)
Observations 7,014 7,014 7,014 7,014 7,014 7,014
R-squared 0.171 0.294 0.335 0.171 0.068 0.215

t-statistics in parentheses, *** p < 0.01, ** p < 0.05, * p < 0.1.