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Indeterminacy of Equilibrium and the Roles of Fiscal and Monetary Policies

均衡的不确定性以及财政和货币政策的作用

基本信息

批准号：
16530117
负责人：
MINO Kazuo
金额：
$ 1.54万
依托单位：
Osaka University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (C)
财政年份：
2004
资助国家：
日本
起止时间：
2004 至 2005
项目状态：
已结题

项目摘要

This research focuses on the role of fiscal and monetary policies in the economies with multiple equilibria. We have first investigated the effects of policy changes in the presence of equilibrium indeterminacy. In particular, we examine whether or not counter intuitive policy effects emerge when there are multiple converging equilibria It is shown that the results depend heavily upon the specifications of production technology and preference structure. We have revealed this fact in alternative monetary growth models as well as in models with distortionary income taxation. In dealing with monetary growth models, we consider both the constant money growth rule and the interest rate control rule. In the models with fiscal policies, we have examined various effects of capital-income tax, wage-income tax as well as consumption tax.The second purpose of our research is to consider the relationship between policy impacts and indeterminacy of equilibrium in the models that are more general than the standard analytical frameworks used in the literature. In so doing, we have studied (1) a growth model with environmental (negative) externalities, (2) an overlapping generation model with endogenous occupational choice, (3) a model of endogenous technical change with knowledge diffusion, and (4) a growth model with R&D investment and taxation. By examining these specific models, we have found various policy implications in the presence of equilibrium indeterminacy.

本文主要研究财政和货币政策在多重均衡经济中的作用。我们首先研究了在存在均衡不确定性的情况下政策变化的影响。特别是，我们研究了当存在多个收敛均衡时，是否会出现反直觉的政策效应。结果表明，结果在很大程度上取决于生产技术规格和偏好结构。我们已经在其他货币增长模型以及具有扭曲所得税的模型中揭示了这一事实。在处理货币增长模型时，我们既考虑了货币恒定增长规则，也考虑了利率控制规则。在有财政政策的模型中，我们考察了资本所得税、工资所得税和消费税的各种影响。我们研究的第二个目的是在比文献中使用的标准分析框架更一般的模型中考虑政策影响与均衡不确定性之间的关系。在此过程中，我们研究了(1)具有环境（负）外部性的增长模型，(2)具有内生职业选择的重叠代模型，(3)具有知识扩散的内生技术变革模型，以及(4)具有研发投资和税收的增长模型。通过研究这些特定的模型，我们发现了存在均衡不确定性的各种政策含义。