Optimal Time-Consistent Macroprudential Policy

Optimal Time-Consistent Macroprudential Policy
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最优时间一致宏观审慎政策

DOI:
10.1086/696280
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发表时间:
2013
影响因子:
8.2
通讯作者:
E. Mendoza
E. Mendoza
中科院分区:
经济学1区
文献类型:
--
作者:
Javier Bianchi;E. Mendoza

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金融危机模型中广泛使用的抵押品约束具有金钱外部性:代理人不会内化“繁荣时期”的借款决策如何影响危机期间的抵押品价格。我们证明,在承诺下,最优金融监管机构的计划是时间不一致的,并研究时间一致的政策。从数量上看,这一政策大幅降低了危机发生的频率和规模,消除了资产回报分布中的肥尾现象,并增加了社会福利。相比之下,持续的债务税是无效的,并且可能会减少福利,而优化的“宏观审慎泰勒规则”虽然有效,但不如最优的时间一致政策。
Collateral constraints widely used in models of financial crises feature a pecuniary externality: Agents do not internalize how borrowing decisions made in “good times” affect collateral prices during a crisis. We show that under commitment the optimal financial regulator’s plans are time inconsistent and study time-consistent policy. Quantitatively, this policy reduces sharply the frequency and magnitude of crises, removes fat tails from the distribution of asset returns, and increases social welfare. In contrast, constant debt taxes are ineffective and can be welfare reducing, while an optimized “macroprudential Taylor rule” is effective but less so than the optimal time-consistent policy.
DOI: 10.2139/ssrn.1781306
发表时间: 2011-03
期刊: Monetary Economics eJournal
影响因子: --
作者:
J. Stein
通讯作者: J. Stein
市场参与不完全、劳动力收入冲击与资产价格
DOI: --
发表时间: 2007
期刊: SSRN working paper series 1015769
影响因子: --
作者:
Hiroaki OHNO;Hiroaki OHNO;大野弘明;Hiroaki OHNO
通讯作者: Hiroaki OHNO