银行最优资本结构问题分析

Analysis in Bank Optimal Capital Structure

本文在一个两时期模型中分别分析了无资本监管和实行资本监管时银行最优资本结构的选择。在这两种情况下,银行都可以选择一个最优资本结构以实现其价值最大化。在无资本监管时,当边际收益等于边际成本时,银行的资本结构达到最优;在实行资本监管的情况下,银行的最优资本数量是无监管时的最优资本数量再加上一个缓冲资本。

This paper analyses the optimal capital structure of a bank with a nd witho ut capital adequacy regulation in a two-period model.In both case,there exist an optimal capital ratio.When MR equal to MC,the capital ratio is optimal without regulation,and it is optimal to choose a buffer capital for a bank under capital adequacy regulation.