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Great volatility, great moderation and great moderation again
Review of Economic Dynamics ( IF 1.712 ) Pub Date : 2021-04-19 , DOI: 10.1016/j.red.2021.04.003
Jakob Grazzini , Domenico Massaro

We investigate the sources of changes in GDP volatility observed from 1966 to 2018. We develop a general equilibrium model and calibrate it to US data to characterize the contribution of micro level productivity shocks, inter-sectoral linkages and households' behavior to aggregate volatility. Our results show that changes in sectoral volatility played an important role in shaping GDP volatility and that asymmetries in the economy had a different impact on aggregate volatility over time. Moreover, we show that, despite an increase before the financial crisis of 2007, aggregate volatility has remained low until 2018.



中文翻译:

大幅波动,大幅温和,再次大幅温和

我们调查了从 1966 年到 2018 年观察到的 GDP 波动变化的来源。我们开发了一个一般均衡模型,并根据美国数据对其进行校准,以描述微观层面的生产力冲击、部门间联系和家庭行为对总体波动的贡献。我们的研究结果表明,部门波动性的变化在塑造 GDP 波动性方面发挥了重要作用,并且随着时间的推移,经济中的不对称性对总体波动性产生了不同的影响。此外,我们表明,尽管在 2007 年金融危机之前有所增加,但直到 2018 年,总体波动率仍然很低。

更新日期:2021-04-19
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