互联网A股上市公司的全要素生产率研究

his paper measures total factor productivity with the DEA-Malmquist index method based on panel data of 136 Internet Company's in A-share Stock Market over the period 2003-2013 in China. And, disaggregate the TFP index, to judge if the A-share listed Internet companies are to achieve organic growth by increasing productivity. Study concluded that ,136 sample companies' total factor productivity during 2003-2013 are different with each other. Although the overall negative growth in TFP, but in recent years the sample companies TFP growth rate showed an increasing trend. Technological progress is the main driver of total factor productivity improvement, with the contribution of 3.1%; and the contribution of pure technical efficiency is -1.7%, contribution to efficiency improvement scale -2.3%, indicating that the growth of Internet companies remain dependent on resources into the phenomenon, and its rational use of efficient technologies and resources need to be further improved.