国有企业

私营企业

tobit

probit

tobit

probit

变量

创新绩效

是否有创新产出

创新绩效

是否有创新产出

(1)

(2)

(3)

(4)

宗族强度

−0.0001

0.0021

−0.0046^***

−0.0163^***

(0.00420)

(0.04031)

(0.00074)

(0.00279)

销售额

0.0113^***

0.1123^***

0.0147^***

0.0538^***

(0.00242)

(0.03167)

(0.00086)

(0.00352)

销售额二次项

−0.0001^***

−0.0008^**

−0.0001^***

−0.0004^***

(0.00002)

(0.00031)

(0.00001)

(0.00005)

出口占销售比

0.3170^*

5.9699^***

0.2430^***

0.9881^***

(0.16490)

(1.90749)

(0.01487)

(0.05948)

利润率滞后项

0.4322

1.7265

−0.1704^*

−0.8575^**

(0.34577)

(4.10128)

(0.08935)

(0.36488)

人均资本

−0.2508

13.8921^*

0.9697^***

3.3143^***

(0.73650)

(8.39881)

(0.20892)

(0.84482)

广告密度

10.5139

188.8541^*

18.0590^***

101.1177^***

(8.65710)

(106.42630)

(2.51729)

(11.31087)

广告密度二次项

−665.4470

−11091.4193^*

−588.1960^***

−3345.2352^***

(428.48697)

(5714.15851)

(123.12750)

(572.56269)

企业年龄

0.0032^**

0.0445^**

0.0041^***

0.0172^***

(0.00151)

(0.01790)

(0.00065)

(0.00250)

县人均GDP

−0.0026

−0.0210

0.0028^***

0.0108^***

(0.00210)

(0.02176)

(0.00038)

(0.00145)

常数项

−0.5715^***

−6.0918^***

−1.1041^***

−4.2996^***

(0.14514)

(1.48865)

(0.09477)

(0.37494)

年份

YES

YES

YES

YES

行业

YES

YES

YES

YES

省份

YES

YES

YES

YES

样本量

958

774

53,741

53,453