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Modelling financial contagion using high frequency data

journal contribution
posted on 2020-09-01, 00:00 authored by Wenying Yao, Mardi Dungey, Vitali Alexeev
This paper develops a methodology for detecting and measuring contagion using high‐frequency data which disentangles continuous and discontinuous price movements. We demonstrate its finite‐sample properties using Monte Carlo simulation, focusing on the empirically plausible parameter space. Decisions to extend the role of financial regulation around the world to the supervision of insurers in the wake of the global financial crisis have been met with literature which supports both the systemic importance of insurers and contrasting evidence that insurers are rather the `victims' of shocks transmitted via banks. We contribute to this debate by considering the time‐varying evidence for contagion at both the firm level and the sector level. A number of insurance companies exhibit bank‐like characteristics. Our evidence for contagion effects from banks to the real economy, with similar impact from the insurers, supports the view that financial regulation on banks does need to be extended to the insurance sector.

History

Journal

Economic record

Volume

96

Issue

314

Pagination

314 - 330

Publisher

Wiley

Location

Chichester, Eng.

ISSN

0013-0249

eISSN

1475-4932

Language

English

Publication classification

C1 Refereed article in a scholarly journal

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