Identifying Economic Shocks in a Rare Disaster Environment

Luisa Corrado (), Stefano Grassi () and Aldo Paolillo ()
Additional contact information
Stefano Grassi: DEF and CEIS, Università di Roma "Tor Vergata", http://www.ceistorvergata.it
Aldo Paolillo: Università di Roma "Tor Vergata", http://www.ceistorvergata.it

No 517, CEIS Research Paper from Tor Vergata University, CEIS

Abstract: This paper proposes and estimates a new Two-Sector One-Agent model that features large shocks. The resulting medium-scale New Keynesian model includes the standard real and nominal frictions used in the empirical literature and allows for heterogeneous COVID-19 pandemic exposure across sectors. We solve the model nonlinearly and we propose a new nonlinear, non-Gaussian filter designed to handle large pandemic shocks to make inference feasible after 2020. Monte Carlo experiments show that it correctly identifies the source and time location of shocks with a massively reduced running time, making the estimation of macro-models with disaster shocks feasible. The estimation is carried out using the Sequential Monte Carlo sampler recently proposed by Herbst and Schorfheide (2014). Our empirical results show that the pandemic-induced economic downturn can be reconciled with a combination of large demand and supply shocks. More precisely, starting from the second quarter of 2020, the model detects the occurrence of a large negative demand shock in consuming all kinds of goods, together with a large negative demand shock in consuming contact-intensive products. On the supply side, our proposed method detects a large labor supply shock to the general sector and a large labor productivity shock in the pandemic-sensitive sector. Our empirical results show that the pandemic-induced economic downturn can be reconciled with a combination of large demand and supply shocks. More precisely, starting from the second quarter of 2020, the model detects the occurrence of a large negative demand shock in consuming all kinds of goods, together with a large negative demand shock in consuming contact-intensive products. On the supply side, our proposed method detects a large labor supply shock to the general sector and a large labor productivity shock in the pandemic-sensitive sector.

Keywords: COVID-19; Nonlinear; Non-Gaussian; Large shocks; DSGE (search for similar items in EconPapers)
JEL-codes: C11 C51 E30 (search for similar items in EconPapers)
Pages: 61 pages
Date: 2021-10-15, Revised 2021-11-19
New Economics Papers: this item is included in nep-dge, nep-mac and nep-ore
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