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. 2023 Jun 26;9(7):e17686. doi: 10.1016/j.heliyon.2023.e17686

Table 7.

Heterogeneity analysis based on firm nature, firm size and firm leverage.

CVit
(1)
(2)
(3)
(4)
(5)
(6)
SOE NSOE Big Firms Small Firms High-Lev Low-Lev
PVAIit .004** .007*** .009*** .010*** .006*** .005*
(2.01) (3.40) (5.60) (4.75) (3.41) (1.89)
Sizeit .016*** .021*** .022*** .016***
(5.95) (6.76) (7.61) (4.25)
PERit −.006*** −.008*** −.009*** −.005*** −.004*** −.001***
(-7.75) (-10.44) (-8.70) (-8.67) (-10.13) (-6.37)
Levit −.004* −.002 −.007*** −.002
(-1.84) (-1.54) (-2.70) (-1.25)
FZNit .059** .014 .064** .001 .007 .006
(2.07) (.48) (2.18) (.35) (.30) (1.42)
OWNit .001*** .001*** .001*** .001*** .001*** .001***
(2.97) (4.54) (3.59) (2.68) (4.88) (2.52)
Tobinsqit .053*** .046*** .083*** .027*** .004*** .087***
(11.32) (11.73) (14.49) (8.84) (13.00) (11.13)
Lernerit .022*** .023*** .017*** .027*** .025*** .015***
(9.31) (8.68) (8.86) (8.96) (10.65) (5.94)
Liquidityit .003*** .004* .003*** .007 .004** −.003**
(2.57) (1.75) (2.58) (.43) (2.17) (2.14)
FBDit .016 −.008 .034 .007 .006 .007
(.50) (-.27) (1.02) (.23) (.247) (.16)
ABDAit .001 −.002** .001 −.003** −.001 .000
(.77) (-2.17) (.84) (-2.38) (-1.44) (-.10)
BSit .001 .002 .002 −.003 .001 .002
(.35) (1.07) (1.61) (-1.34) (.77) (1.04)
FNatureit −.033** −.002* −.034*** −.031***
(-2.48) (-1.85) (-5.82) (-2.94)
Constant −.037*** −.047*** −.016** .023*** −.041*** −.037***
(-4.44) (-2.99) (-2.49) (4.10) (-5.08) (-2.96)
Observations 3272 3120 3402 3344 4489 1988
R-squared .166 .293 .245 .123 .167 .239
Adj R2 .162 .286 .241 .119 .163 .232
F-stat 20.427 25.201 22.671 13.928 25.322 12.384
Industry FE effects Yes Yes Yes Yes Yes Yes
Year FE effects Yes Yes Yes Yes Yes Yes
Firm FE effects Yes Yes Yes Yes Yes Yes

Notes: CVit is measured by the logarithm of (Net Profit/Average Balance of Total Owners' Equity) * [1 - Dividend per Share Before Taxes/(Net Profit in Current Period/Average Balance of Paid-in Capital)]; PVAIit is measured as the logarithm of the scale of enterprises' targeted poverty alleviation investment plus one; IGCit is measured as the natural logarithm of corporate internal control index based on COSO Framework (1994); Tobinsqit is measured by Tobin'Q values; Sizeit Natural logarithm of total assets; PERit is measured as Price earnings ratio; Liquidityit is measured as Yearly Turnover (Total Shares); OWNit is measured as the shareholding of the largest shareholder; FZNit is measured by [(Trading financial assets + derivative financial assets + long-term equity investment + investment real estate + held-to-maturity investment)/total assets]; BSit is measured as Total number of directors; ABDAit is measured as Average age of board of directors; FBDit is measured as Ratio of female directors to total number of board of directors; Lernerit is measured as the logarithm of Lerner Index of an Individual Stock (percentage markup of price above marginal cost); FNatureit is a dummy variable represents the ownership nature of firm where state-owned firms = 1 and 0 otherwise. t-values are in parentheses. t-values are in parentheses.

***p < .01, **p < .05, *p < .1.