商业银行超额准备金率变动分析

商业银行持有超额准备金的多少是中央银行货币政策的重要监测指标。我国商业银行的超额准备金率总体呈逐年降低趋势，但不同类型商业银行超额准备金率存在相当大的差异。支付系统尤其是大额支付系统的发展对降低超额准备金率的均值和波动起了重要作用。预防动机在一定程度上能解释股份制商业银行具有较高超额准备金率。未来，中央银行在制定货币政策时应考虑支付系统发展和超额准备金率分布不均衡带来的影响，并增加货币政策的透明度。

An Investigation of the Commercial Bank's Excess Reserve Ratio Change

Controlling the level of excess reserves held by commercial banks is an important measure for central bank to achieve monetary policy target.The overall ratio of excess reserves held by China commercial banks is decreasing year by year,while the proportions held by the different commercial banks are quite differ- ent.The payment systems especially the large scale payment system play an important role in reducing the av- erage level and fluctuation of excess reserves.Precaution motive could explain the reaso...