非高科技企业

高科技企业

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

−0.0048^***

−0.0166^***

−0.0036^*

−0.0127

(0.00070)

(0.00269)

(0.00183)

(0.00804)

销售额

0.0135^***

0.0483^***

0.0147^***

0.0720^***

(0.00074)

(0.00306)

(0.00233)

(0.01151)

销售额二次项

−0.0001^***

−0.0003^***

−0.0001^***

−0.0006^***

(0.00001)

(0.00004)

(0.00003)

(0.00014)

出口占销售比

0.2141^***

0.8696^***

0.2370^***

1.1731^***

(0.01322)

(0.05316)

(0.04097)

(0.19100)

利润率滞后项

−0.1587^**

−0.8331^***

0.0374

0.3857

(0.07628)

(0.31701)

(0.23952)

(1.16644)

人均资本

0.7267^***

2.7127^***

0.5595

0.9155

(0.18548)

(0.75342)

(0.53180)

(2.59180)

广告密度

18.3238^***

102.1070^***

13.4850^**

98.6617^***

(2.30788)

(10.51696)

(5.95869)

(32.65025)

广告密度二次项

−627.4188^***

−3488.7049^***

−502.2138^*

−4346.8490^***

(113.46995)

(535.33131)

(282.86111)

(1608.42474)

企业年龄

0.0037^***

0.0164^***

0.0038^*

0.0154^*

(0.00060)

(0.00235)

(0.00196)

(0.00881)

县人均GDP

0.0024^***

0.0089^***

0.0025^**

0.0098^*

(0.00034)

(0.00135)

(0.00123)

(0.00564)

常数项

−1.0950^***

−4.3158^***

−0.9514^***

−4.0154^***

(0.07023)

(0.27876)

(0.21058)

(0.92784)

年份

YES

YES

YES

YES

行业

YES

YES

YES

YES

省份

YES

YES

YES

YES

样本量

69,019

68,851

5183

5145