基于DEA模型的中国物联网上市公司创新效率评价

The innovation efficiency evaluation of the listed company of internet of things based on DEA method

摘要:

首先基于创新效率评价的现有研究成果，构建物联网上市公司的创新效率评价指标体系与模型。然后运用数据包络分析法，从创新效率、规模收益、DEA有效性以及投影分析四个方面，对中国20家具有代表性的上市公司的创新活动进行了分析与评价。结果表明，物联网上市公司综合创新效率偏低，不同公司创新效率差异较大，创新效率稳定性不强，科技活动人员和科技活动经费比例不当导致多数公司创新效率偏低。最后，笔者提出中国物联网上市公司创新效率改进方案和相关政策建议。

Abstract:

First of all，based on the existing research results of innovation efficiency evaluation, the research is to the construction of evaluation index system and model of the innovation efficiency of the listed company of internet of things. Then using the data envelopment analysis method, analyzed from four aspects of innovation efficiency, return to scale, DEA effectiveness and projection, the furniture representative innovative activities in China's 20 listed companies have carried on the analysis and evaluation. The result shows that the general level of for the listed company of internet of things is low, with significant discrepancy between different listed companies; the innovation efficiency is not stable; For most listed companies, input of S