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信号效应、经济不确定性与货币政策有效性

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货币政策的实施效果与宏观经济的稳定性紧密相连,深入探讨货币政策有效性对于实现我国稳增长的经济目标具有重要意义.构建包含银行和企业部门的三期模型,研究信号效应、经济不确定性以及货币政策有效性之间的内在关联,并结合工具变量局部投影法进行实证检验,研究表明,第一,我国存在货币政策信号效应,即中国人民银行发布的货币政策将影响公众对经济基本面的预期从而影响货币政策有效性.第二,宽松型货币政策能通过延长信贷期限刺激经济增长,然而,信号效应的存在会削弱货币政策对信贷期限结构的调节能力,从而会降低货币政策有效性.第三,当经济不确定性加剧时,信号效应将被放大,这会进一步削弱货币政策调节信贷期限结构的能力,并减弱其稳定经济的作用.因此,在经济不确定性较高的背景下,中国人民银行要做好预期管理,提高公众对货币政策效果的信心,同时要疏通货币政策信贷期限结构的调节渠道.
Signaling Effects,Economic Uncertainty,and the Effectiveness of Monetary Policy
The effectiveness of monetary policy is closely related to the stability of the macro e-conomy.Therefore,a thorough discussion of the effectiveness of monetary policy is of great signifi-cance for achieving China's economical goal of stable growth.By constructing a three-period model incorporating the banking and enterprise sectors,this paper studies the intrinsic relationship between signal effect,economic uncertainty,and the effectiveness of monetary policy,and conducts empirical tests using the instrumental variable partial projection method.The findings show that,first,there ex-ists a signal effect of monetary policy in China,and the monetary policy released by the central bank will affect the public expectations of the economic fundamentals,thus influencing the effectiveness of monetary policy.Second,the loose monetary policy can stimulate economic growth by extending the credit term,however,the existence of the signal effect will weaken the effect of monetary policy on regulating the credit term structure,further reducing the effectiveness of monetary policy.Third,when economic uncertainty intensifies,the signal effect will be amplified,which will further weaken the a-bility of monetary policy to regulate the credit term structure and reduce its role in stabilizing the e-conomy.Therefore,the People's Bank of China should improve its expectation management,increase public confidence in the effectiveness of monetary policy,and at the same time unblock the regulato-ry channels of monetary policy's credit term structure,especially in the context of higher economic uncertainty.

signaling effectseconomic uncertaintyeffectiveness of monetary policy

陈国进、郭珺莹、赵向琴

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厦门大学经济学院,福建厦门 361005

信号效应 经济不确定性 货币政策有效性

2024

当代财经
江西财经大学

当代财经

CSTPCDCSSCICHSSCD北大核心
影响因子:1.539
ISSN:1005-0892
年,卷(期):2024.(11)