关键词: 互联网金融, 同业市场利率, 信息优势, 收益–成本控制模型, 拉姆齐模型, 百度指数

Abstract: The Internet finance in China is boosting with growing impacts on the banking industry. Banks are forced to adjust their strategies, which has been reflected in the changes of the market interest rates. Using the Information Collection Revenue-Cost Model and the Ramsey Model,this paper integrates the advantages of Internet financein information collection and application into the analysis frame work of commercial banks' management decisions, aiming to study both theoretically and empirically the relationship between the advantages of Internet financial information and the interbank rates. The results reveal that the Internet financial information advantages can affect banks' decisions and decrease the fluctuation degree of interbank rates, which means it can enhance the price discovery function of interbank rates,thus improving its effectiveness as a benchmark in the market. As a result, when formulating monetary policies and making assessments or realizing financial industry layout and implementing supervision, the government should make full allowance for the influence of the Internet finance, so as to enhance the policies' scientific and forward-looking effectiveness.

Key words: Internet Finance, Interbank Rate, Information Advantage, Revenue-Cost Model, Ramsey Model, Baidu Keyword Index