税收、企业规模与高质量发展——来自矿业企业的微观证据
郑明贵,党宇

Tax, Enterprise Size and High-quality Development—Micro Evidence from Mining Enterprises
Minggui ZHENG,Yu DANG
表5 异质性分析
Table 5 Heterogeneity analysis
变量产权异质性区域异质性
(4)(5)(6)(7)(8)
国有非国有东部中部西部
tax

-3.838

(-1.92)

-4.807***

(-4.48)

-4.004***

(-3.93)

-6.358

(-1.59)

-0.052

(-0.03)

size

0.152*

(2.13)

-0.095***

(-12.11)

-0.514***

(-6.24)

-1.612***

(-4.27)

-0.717***

(-4.23)

ppe

-0.094

(-1.01)

-0.297***

(-4.88)

-0.303***

(-5.22)

-0.289*

(-2.39)

0.024

(0.45)

lev

0.331***

(3.73)

-0.212***

(-31.02)

-0.229***

(-36.81)

0.180

(0.47)

0.001

(0.02)

age

-0.177

(-0.95)

1.868*

(1.91)

1.427

(1.61)

0.057

(1.52)

1.307

(0.91)

roa

1.393

(1.88)

0.389**

(2.40)

0.742

(1.52)

-1.559

(-0.57)

1.393***

(4.48)

state--

-1.351*

(-2.43)

-1.836

(-1.51)

0.741

(1.44)

year控制控制控制控制控制
reg控制控制---
cons

0.216

(0.19)

7.914***

(3.81)

4.364*

(2.27)

25.392***

(3.36)

7.310*

(2.07)

N185697593180109
R20.5780.4270.5050.1150.653