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首页> 外文期刊>Journal of Economic Dynamics and Control >Uncertainty-dependent effects of monetary policy shocks: A new-Keynesian interpretation
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Uncertainty-dependent effects of monetary policy shocks: A new-Keynesian interpretation

机译:货币政策冲击的不确定性相关影响:新凯恩斯主义的解释

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We estimate a nonlinear VAR model to study the real effects of monetary policy shocks in regimes characterized by high vs. low macroeconomic uncertainty. We find unexpected monetary policy moves to exert a substantially milder impact in presence of high uncertainty. We then exploit the set of impulse responses coming from the nonlinear VAR framework to estimate a medium-scale new-Keynesian DSGE model with a minimum-distance approach. The DSGE model is shown to be able to replicate the VAR evidence in both regimes thanks to different estimates of some crucial structural parameters. In particular, we identify a steeper new-Keynesian Phillips curve as the key factor behind the DSGE model’s ability to replicate the milder macroeconomic responses to a monetary policy shock estimated with our VAR in presence of high uncertainty. A version of the model featuring firm-specific capital is shown to be associated to estimates of the price frequency which are in line with some recent evidence based on micro data.This article is part of a Special Issue entitled “Fiscal and Monetary Policies”.
机译:我们估计了一个非线性VAR模型,以研究在宏观经济不确定性较高或较低的制度下货币政策冲击的实际影响。我们发现,在存在高度不确定性的情况下,出乎意料的货币政策举措将对经济产生较大影响。然后,我们利用来自非线性VAR框架的一组脉冲响应,以最小距离方法估算中规模的新凯恩斯主义DSGE模型。由于对某些关键结构参数的不同估计,DSGE模型能够在两种情况下复制VAR证据。尤其是,我们认为陡峭的新凯恩斯式菲利普斯曲线是DSGE模型能够在存在高度不确定性的情况下复制对我们的VAR估计的货币政策冲击的温和宏观经济反应背后的关键因素。该模型的一个版本显示了具有公司特定资本的特征,该模型与价格频率的估计相关,这与最近基于微观数据的一些证据相吻合。本文是《财政与货币政策》特刊的一部分。

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