中文摘要：

立足技术溢出理论，本文剖析了互联网金融对商业银行全要素生产率的影响机制。在此基础上，借助无导向DEA—Malmquist模型测度商业银行全要素生产率，运用“文本挖掘法”从金融功能的四个维度构建互联网金融指数，并结合2003—2012年36家商业银行的数据进行实证检验。结果显示，互联网金融通过技术溢出效应，显著提升了我国商业银行的全要素生产率，但不同类型商业银行对互联网金融技术溢出的吸收能力具有差异：股份制商业银行的吸收能力最强，城市商业银行次之，大型商业银行较弱。因此，鼓励互联网金融健康发展，规范其有序竞争，对于完善传统金融模式，深化我国银行业改革意义深远。

英文摘要：

According to technology spillover theory, this paper analyzes the influence mechanism of internet finance on commercial banks＂ TFP. Using commercial banks＂ TFP accessed by un - oriented DEA - Malmquist model, internet financial index based on text mining and data of 36 commercial banks from 2003 to 2012, we makes an empirical test. The results showed that internet finance sigrlificantly enhance commercial banks＇TFP, and joint -equity commercial banks＇absorption capacity most significantly, followed by urban commercial banks and large commercial banks. Therefore, encouraging the healthy development and orderly competition of inter- net finance are important to improve the traditional financial mode and to promote the reform and innovation of banking sector in China.