摘要
On the basis of the definition of technological innovation and efficiency,based on the DEA method,this paper takes the panel data of 20 listed companies in China's machinery manufacturing industry from 2011 to 2015 as samples,evaluating the technological innovation efficiency of listed companies in China's machinery manufacturing industry.Finally,it sums up and puts forward effective countermeasures to improve the technological innovation of listed companies in China's machinery manufacturing industry.It is hoped that it will play a guiding role in the technological innovation activities of listed companies in China's machinery manufacturing industry.
