中国互联网企业生存的时空格局及影响因素研究
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刘婷婷, 汪明峰, 张英浩, 汪凡, 吴明宇
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Spatiotemporal pattern and determinants of Internet firm survival in China
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LIU Tingting, WANG Mingfeng, ZHANG Yinghao, WANG Fan, WU Mingyu
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表5 Cox回归结果
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Tab.5 Results of the Cox regression models
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| 变量 | 模型1 | 模型2 | 模型3 | 模型4 | 模型5(C1) | 模型6(C2) | 模型7(C3) | | Siz | 0.616***
(0.006) | | | 0.637***
(0.006) | 0.545***
(0.054) | 0.634***
(0.023) | 0.646***
(0.008) | | Rou | 0.522***
(0.008) | | | 0.539***
(0.008) | 0.453***
(0.076) | 0.585***
(0.003) | 0.503***
(0.009) | | C1 | | 0.910***
(0.024) | | 0.914***
(0.024) | | | | | C2 | | 0.966*
(0.017) | | 0.967*
(0.017) | | | | | C3 | | 1.218***
(0.016) | | 1.219***
(0.016) | | | | | Inc | | | 1.001***
(<0.001) | 1.001***
(<0.001) | 0.996*
(0.012) | 1.001
(0.004) | 1.003***
(0.001) | | Inv | | | 1.001***
(<0.001) | 1.001***
(<0.001) | 1.017
(0.013) | 1.005
(0.003) | 1.003***
(0.001) | | Inf | | | 0.910***
(0.027) | 0.909***
(0.027) | 0.101**
(0.013) | 0.964
(0.842) | 0.746
(0.140) | | Loc | 1.309***
(0.035) | 1.320***
(0.035) | 0.920*
(0.043) | 0.972
(0.043) | 0.064**
(0.081) | 1.000
(0.313) | 0.904
(0.064) | | Eco | 1.019***
(0.004) | 1.018***
(0.004) | 0.987
(0.008) | 1.000
(0.008) | 1.355*
(0.217) | 1.009
(0.059) | 0.981
(0.012) | | Stu | 1.001*
(<0.001) | 1.001
(<0.001) | 1.002***
(0.001) | 1.000
(0.001) | 0.981*
(0.010) | 1.003
(0.004) | 0.999
(0.001) | | Log likelihood | -66438.296 | -65888.250 | -66113.622 | -65564.708 | -228.570 | -2519.486 | -46525.564 | | LR chi2 | 7173.02 | 7302.72 | 7822.37 | 7951.81 | 108.04 | 480.97 | 4983.76 |
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