宏观经济波动的微观基础：基于信贷配给角度的分析

当宏观经济进入衰退阶段,由于商业银行的资本充足率下降、信贷环境恶化,商业银行为实现自身利益最大化目标,其最优选择是实行信贷配给,这将导致融资企业的信贷可得性下降,进而引起融资企业及其相关企业的投资下降,在投资乘数加速效应的相互作用下,其结果是加剧宏观经济的衰退.当宏观经济进入繁荣阶段,信贷配给放松,在乘数加速效应的作用下,宏观经济不断高涨.可见,信贷配给是宏观经济波动的加速器.我国商业银行呈现关系型信贷配给的特征,对企业信贷可得性的影响较小,有强化或削弱宏观经济政策效果的作用.

On the Micro-base of Macroeconomic Fluctuation:a Perspective of Credit Rationing

When the macro-economy declines,commercial banks will prefer credit rationing to maximize their own interests because of the decline of their capital adequacy ratio and the deteriorating credit context,which results in the fall of credit availability of financing enterprises,then the fall of investment of relevant enterprises,and finally more severe decline of the macro-economy with the interaction of multiplier and accelerator effects.When the macro-economy prospers,credit rationing is loosened,which will ...