假设1

假设2

假设3

控制变量

$TBao$

$-311.4299$

(−1.36)

$ITop$

$-55.2675$

(−0.26)

$APri$

$-{2.6375}^{***}$

(−2.60)

$GQua$

$9.6336$

(1.42)

$SAtt$

$2.0825$

(0.78)

$LSer$

${8.6798}^{**}$

(2.17)

$NFan$

${0.0047}^{***}$

(2.89)

$SCre$

${0.1887}^{**}$

(2.32)

$PTop$

${11233.52}^{***}$

(7.99)

$STop$

$111.9543$

(0.40)

$SLen$

$-0.0848$

(−0.86)

$GKin$

$-1.8295$

(−1.48)

$FClo$

$72.9219$

(0.72)

$345.2896$

(1.14)

$R^2$

$0.4543$

$F值$

$14.61$