Dear Colleagues,
It is my pleasure to invite you to the seminar organised by the Department of Economics at Ca' Foscari University of Venice, which can be followed via Zoom.

Time: Monday 25, at 12.15
Location: Campus San Giobbe, Meeting Room 1
Zoom: https://www.unive.it/data/33113/3/76558

Speaker: Dimitris Korobilis (University of Glasgow)Title: Monitoring Multicountry Macroeconomic Risk

Abstract: We propose a multicountry quantile factor augmented vector autoregression (QFAVAR) to model heterogeneities both across countries and across characteristics of the distributions of macroeconomic time series. The presence of quantile factors allows for summarizing these two heterogeneities in a parsimonious way. We develop two algorithms for posterior inference that feature varying level of trade-off between estimation precision and computational speed. Using monthly data for the euro area, we establish the good empirical properties of the QFAVAR as a tool for assessing the effects of global shocks on country-level macroeconomic risks. In particular, QFAVAR short-run tail forecasts are more accurate compared to a FAVAR with symmetric Gaussian errors, as well as univariate quantile autoregressions that ignore comovements among quantiles of macroeconomic variables. We also illustrate how quantile impulse response functions and quantile connectedness measures, resulting from the new model, can be used to implement joint risk scenario analysis.

Keywords: quantile VAR; MCMC; variational Bayes; dynamic factor model

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Roberto Casarin, PhD
Professor of Econometrics
Ca' Foscari University of Venice
San Giobbe 873/b - 30121 Venezia, Italy
http://sites.google.com/view/robertocasarin/
https://www.unive.it/vera
https://www.unive.it/isba2024

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