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Liquidity when it matters: QE and Tobin's q

机译:重要的流动性:量化宽松和托宾的q

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摘要

The model of credit-constrained investors developed by Kiyotaki and Moore is used to analyse 'unconventional monetary policy' actions taken in the US and UK. We make two contributions. The first is expositional—to show that their model of a liquidity crisis can be represented as a two-equation dynamic system in K (the aggregate capital stock) and q (Tobin's q, the price of capital goods) with saddle-point dynamics. This allows for an intuitive, graphical exposition of the issues and results. The second is to show how a liquidity crisis leads to a deep recession when the assumption of perfect wage and price flexibility is replaced by downwardly rigid wages and prices. As in Del Negro et at, we show how central bank policies to increase liquidity can ameliorate the recession: but we use our simplified model for the purpose. Further, we analyse how fiscal intervention can help combat recession.
机译:Kiyotaki和Moore开发的信用受限投资者模型用于分析在美国和英国采取的“非常规货币政策”行动。我们做出两个贡献。首先是说明性的,以证明他们的流动性危机模型可以表示为具有鞍点动力学的K(总资本存量)和q(托宾q,资本货物价格)的两方程动态系统。这样可以直观,图形化地说明问题和结果。第二个是显示当完美的工资和价格灵活性的假设被下降的僵化的工资和价格取代时,流动性危机如何导致严重的衰退。如Del Negro等人所述,我们展示了中央银行增加流动性的政策如何缓解衰退:但我们为此目的使用了简化模型。此外,我们分析了财政干预如何帮助应对衰退。

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  • 来源
    《Oxford Economic Papers》 |2013年第s1期|i115-i145|共31页
  • 作者

    John Driffill; Marcus Miller;

  • 作者单位

    Department of Economics, Mathematics and Statistics, Birkbeck College, Malet Street, London WC1E 7HX;

    Department of Economics, University of Warwick, Coventry CV4 7AL;

  • 收录信息 美国《科学引文索引》(SCI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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