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理解M2/GDP:一个新的分析框架及其政策含义
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TitleUnderstanding M2/GDP: A New Analytical Framework and Policy Implications  
作者李斌 伍戈 李文喆  
AuthorLi Bin, Wu Ge and Li Wenzhe  
作者单位中国人民银行 
OrganizationThe People’s Bank of China 
作者Emailbli@pbc.gov.cn; 
中文关键词M2/GDP 货币 货币政策 
Key WordsM2/GDP; Money; Monetary Policy 
内容提要本文试图对M2/GDP问题做一个较为系统和全面的分析,这包括影响M2/GDP高低的因素,如何看待M2/GDP的国际差异和纵向变化,M2/GDP的动态演进路径及其与通胀之间的关系等。本文没有遵循先建立模型再进行实证检验的主流方法,而是先通过剖析“典型事实”寻找可能的正确研究角度和方法,再构建相应的分析框架。研究发现,现有的关于M2/GDP的解释很多都是似是而非的。比较而言,我们基于货币创造理论构建的融资结构-储蓄率框架似能够更好地对M2/GDP变化进行横向和纵向的分析和解释。一个经济体,越依赖于银行融资,且储蓄率越高,其货币/GDP一般而言就会越高。这一结论不仅有理论逻辑的严谨支持,也得到了全球主要经济体面板模型实证分析的验证。本文的分析框架,还可以纵向解释我国M2/GDP起伏波动的变化原因,实际上2003年之后我国M2/GDP连续多年稳中略降与银行资本大量增长密切相关。这需要从货币创造的角度得到理解。本文还基于货币数量方程推导出了具有Logistic曲线性状的M2/GDP的动态演进路径。遵循这一路径,我国M2/GDP将呈现先加速上升、经过拐点后增速放缓并逐步趋近上限的变化轨迹。目前测算我国M2/GDP的增长上限大致在2.2-2.3左右。研究还发现,M2/GDP缺口而不是M2/GDP值本身与通货膨胀之间存在密切关系。短期内M2/GDP偏离其动态路径过多,可能导致之后通胀压力上升。这要求宏观政策保持货币总量平稳适度增长,为经济增长和结构调整创造适宜的货币环境。 
AbstractThis paper aims to analyze M2/GDP systematically and comprehensively, including the factors that affect magnitude of M2/GDP, the way of analyzing international differences and longitudinal changes of M2/GDP, the dynamic evolvement path of M2/GDP and the relationship between M2/GDP and inflation. From the research, we find that many of the current explanations about M2/GDP are ambiguous. In contrast, the financing structure - saving rate framework we build based on money creation theory makes both better horizontal and better longitudinal explanation on the change of M2/GDP. As for an economy,the more it relies on bank financing and the higher saving rate it has, the higher M2/GDP it would generally has. This conclusion is not only rigorously supported by theoretical logic, but also supported by Panel Data Analysis on global major economies. This paper’s analytical framework could also longitudinally explain the reason of fluctuation in M2/GDP in China. In addition, the stable but slightly decreasing tendency of M2/GDP in China during 2003-2008 was related to the booming bank capital. The phenomenon above needs to be understood from the perspective of money creation. Moreover, this paper deduces dynamic path of M2/GDP which has Logistic Curve characteristics, based on Money Quantity Equation. Following this path, with a remarkable acceleration, M2/GDP in China will present a slowing tendency and gradually approach the upper limit after a turning point. The research also found that M2/GDP gap, instead of M2/GDP magnitude itself, has a closer relationship with inflation. So macroeconomic policy should ensure growth of monetary aggregates both steady and adequate, in order to maintain a suitable environment for economic growth and structural adjustment. 
文章编号WP579 
登载时间2014-01-14 
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