基于生存分析的科技型企业财务危机预警研究
首发时间:2019-03-13
摘要:从2000-2017年在沪市主板上市的科技型企业中选取样本,从财务状况、公司治理、科技创新能力三个方面选择预警指标,运用生存分析法构建Cox比例风险模型进行实证研究,结果显示:营业利润率、主营业务现金比率、企业规模、流通股比例、专利授权数可以降低财务风险,是保护因子。长期资产适合率、国有股比例会增加发生财务危机的概率,是危险因子。同时,得到生存函数图以测算企业可能发生财务危机的时点和概率,动态地进行预警,最后对模型进行检验。
关键词: 财务预警 生存分析 Cox比例风险模型 科技型企业
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Research on Financial Crisis Early Warning of Scientific and Technological Enterprises Based on Survival Analysis
Abstract:The samples are selected from scientific and technological enterprises listed on the main board of Shanghai Stock Exchange from 2000 to 2017.And financial early-warning indicators are chosen from three aspects: financial status, corporate governance and innovation ability. Then using survival analysis to construct Cox proportional hazards model for empirical study, the results show that operating profit rate, cash ratio of main business, scale of enterprises, proportion of circulating shares and the number of patent authorization which are protective factors can reduce financial risks and that long term asset suitability ratio and state share ratio which are risk factors will increase the probability of financial crisis. Meanwhile, the survival function graph is drawn to calculate the time point and probability of the financial crisis that may occur in an enterprise, and to give early warning dynamically. Finally, the the model is tested.
Keywords: Financial early warning Survival analysis Cox proportional hazards model Scientific and technological enterprises
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