Publication details

Connectedness of financial institutions in Europe: A network approach across quantiles

Authors

DEEV Oleg LYÓCSA Štefan

Year of publication 2020
Type Article in Periodical
Magazine / Source Physica A: Statistical Mechanics and its Applications
MU Faculty or unit

Faculty of Economics and Administration

Citation
Web https://www.sciencedirect.com/science/article/pii/S0378437119322320
Doi http://dx.doi.org/10.1016/j.physa.2019.124035
Keywords Financial institutions; Networks; Cross-quantilogram; ERGM
Description We create cross-quantilogram networks capturing the dependence between stock market returns of 205 financial institutions in Europe and across a large range of quantiles. Based on network density, centrality and centralization, we find that financial institutions in Europe are strongly interconnected across all quantiles, particularly during tranquil periods. These results suggest that financial institutions in Europe are susceptible to spillover, contagion and increased systemic risk. We also find an asymmetric effect: connectedness during crisis periods is higher than that during bullish periods. The most interconnected financial institutions are found to be insurance companies in Switzerland. Relying on an exponential random graph modeling (ERGM) approach, we find that across all quantiles, the connectedness is larger between (i) financial institutions in the same country, (ii) insurance companies, and (iii) financial institutions that operate in countries that adopted the common currency.

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