Non-stationary Financial Risk Factors and Macroeconomic Vulnerability for the UK

Fuente: arXiv
Enregistré dans:
Détails bibliographiques
Auteurs principaux: Varga, Katalin, Szendrei, Tibor
Format: Preprint
Publié: 2024
Sujets:
Accès en ligne:
Tags: Ajouter un tag
Pas de tags, Soyez le premier à ajouter un tag!
_version_ 1866909432541085696
author Varga, Katalin
Szendrei, Tibor
author_facet Varga, Katalin
Szendrei, Tibor
contents Tracking the build-up of financial vulnerabilities is a key component of financial stability policy. Due to the complexity of the financial system, this task is daunting, and there have been several proposals on how to manage this goal. One way to do this is by the creation of indices that act as a signal for the policy maker. While factor modelling in finance and economics has a rich history, most of the applications tend to focus on stationary factors. Nevertheless, financial stress (and in particular tail events) can exhibit a high degree of inertia. This paper advocates moving away from the stationary paradigm and instead proposes non-stationary factor models as measures of financial stress. Key advantage of a non-stationary factor model is that while some popular measures of financial stress describe the variance-covariance structure of the financial stress indicators, the new index can capture the tails of the distribution. To showcase this, we use the obtained factors as variables in a growth-at-risk exercise. This paper offers an overview of how to construct non-stationary dynamic factors of financial stress using the UK financial market as an example.
format Preprint
id arxiv_https___arxiv_org_abs_2404_01451
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Non-stationary Financial Risk Factors and Macroeconomic Vulnerability for the UK
Varga, Katalin
Szendrei, Tibor
Statistical Finance
Tracking the build-up of financial vulnerabilities is a key component of financial stability policy. Due to the complexity of the financial system, this task is daunting, and there have been several proposals on how to manage this goal. One way to do this is by the creation of indices that act as a signal for the policy maker. While factor modelling in finance and economics has a rich history, most of the applications tend to focus on stationary factors. Nevertheless, financial stress (and in particular tail events) can exhibit a high degree of inertia. This paper advocates moving away from the stationary paradigm and instead proposes non-stationary factor models as measures of financial stress. Key advantage of a non-stationary factor model is that while some popular measures of financial stress describe the variance-covariance structure of the financial stress indicators, the new index can capture the tails of the distribution. To showcase this, we use the obtained factors as variables in a growth-at-risk exercise. This paper offers an overview of how to construct non-stationary dynamic factors of financial stress using the UK financial market as an example.
title Non-stationary Financial Risk Factors and Macroeconomic Vulnerability for the UK
topic Statistical Finance
url https://arxiv.org/abs/2404.01451