How Bad Can Financial Crises Be? A GDP Tail Risk Assessment for Portugal

Ivan De Lorenzo Buratta

Working Papers from Banco de Portugal, Economics and Research Department

Abstract: By monitoring the evolution of risks to economic activity over time, we quantify the likelihood and severity of future negative economic growth. Following the Growth-at-risk approach, we explore the non-linear relationship between the current financial situation and the distribution of future GDP growth for Portugal. We find that both financial vulnerability and risk have a negative effect on the left tail of the one-year-ahead GDP growth distribution. Financial vulnerability has the largest impact on GDP growth at the medium to long term horizon while financial risk is only significant at the short term horizon. The GDP-at-risk measure signals economic recessions, no matter whether fueled by financial stress or imbalances, reaching negative values before 2008 and stagnating at low levels before the European Sovereign Debt Crisis. To provide policymakers with better tools to signal an increase in the likelihood of a crisis, we compute a set of complementary risk measures. Among those analyzed, the distance between the tails of the conditional distribution of GDP growth complements GDP-at-risk in anticipating economic recessions since it signals the Great Financial Crisis with a clear downward trend before 2008. The moments of the GDP growth distribution have some power in signalling recessions, as they identify changes in the characteristics of the distribution. Finally, we argue that the expected shortfall and longrise can complement the GDP-at-risk measure since they encompass information which is not limited to a single percentile of the distribution.

JEL-codes: C53 E01 E17 E27 E32 E44 G01 (search for similar items in EconPapers)
Date: 2022
New Economics Papers: this item is included in nep-fdg, nep-mac and nep-rmg
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:ptu:wpaper:w202204

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