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A shadow rate New Keynesian model

机译:影子率新凯恩斯模型

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We propose a tractable and coherent framework that captures both conventional and unconventional monetary policies with the shadow fed funds rate. Empirically, we document the shadow rate's resemblance to an overall financial conditions index, various private interest rates, the Fed's balance sheet, and the Taylor rule. Theoretically, we demonstrate the impact of unconventional policies, such as QE and lending facilities, on the economy is identical to that of a negative shadow rate, making the latter a useful summary statistic for these policies. Our model generates the data-consistent result: a negative supply shock is always contractionary. It also salvages the New Keynesian model from the zero lower bound induced structural break. (C) 2019 Elsevier B.V. All rights reserved.
机译:我们提出了一个易于处理且连贯的框架,该框架以影子联邦基金利率同时涵盖了常规和非常规货币政策。根据经验,我们记录了影子利率与整体财务状况指数,各种私人利率,美联储的资产负债表和泰勒规则的相似之处。从理论上讲,我们证明了量化宽松政策和贷款便利等非常规政策对经济的影响与负影子利率的影响相同,从而使后者成为这些政策的有用汇总统计。我们的模型生成数据一致的结果:负面的供应冲击总是收缩的。它还从零下限引起的结构破坏中挽救了新凯恩斯模型。 (C)2019 Elsevier B.V.保留所有权利。

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