商业银行存款利率市场化的影响分析

An Analysis of the Impacts of the Liberalization of Commercial Bank’s Deposit Interest-Rate

本文基于一个寡占模型研究了不同货币政策下,取消存款利率上限管制对于经济的影响。研究表明:存款利率市场化条件下银行间利率上升或下降50个基点对存贷款利率的影响,比存款利率管制条件下的影响更大;而存款利率市场化条件下存款准备金率的变化对存贷款利率的影响比存款利率管制条件下的影响小。取消存款利率上限管制,将导致银行间竞争更加激烈,存贷款利率均会小幅上升,存款规模增加,贷款规模降低,有助于增加中小商业银行的市场占有率,提升其利润水平,降低市场集中度,增加价格型货币政策工具的调控效率,促使我国货币政策从数量型向价格型转变。

Based on an oligopoly model, this paper researches the impacts of the deregulation on economy under the conditions of different monetary policy. The results show that the impacts of the rise or fall of inter-bank interest rate by 50 basis points on the interest rates of deposit and loan are greater than those under the conditions of the regulation of the interest rates; the changes in deposit-reserve ratio under the conditions of the interest-rate liberalization of deposit have greater impacts on the interest rates of deposit and loan than those under the conditions of the regulation of the interest rates. If the cap regulation of the interest rate of deposit is canceled, the inter-bank competition will more intense, the interest rates of deposit and loan will rise slightly, the deposit size will increase, the loan size will decrease, which will help increase the market share and profits of small and medium-sized commercial banks, reduce market concentration, improve the regulation-control efficiency of price-based monetary policy tools and promote Chinese monetary policy to shift from the quantity-based to the price-based.