期刊
MANAGEMENT SCIENCE
卷 68, 期 4, 页码 2401-2431出版社
INFORMS
DOI: 10.1287/mnsc.2021.3984
关键词
network modeling; quantile vector autoregression with common factors; quantile connectedness; financial-sovereign credit risk transmission; tail-dependence
资金
- Australian Research Council [DE150100708]
- Australian Research Council [DE150100708] Funding Source: Australian Research Council
This article introduces a new technique for estimating vector autoregressions with a common factor error structure using quantile regression, and applies it to study credit risk spillovers among sovereigns and their financial sectors. The study shows that idiosyncratic credit risk shocks have a stronger propagation effect in the tails of the conditional distribution than at the conditional mean or median. Furthermore, a measure of relative spillover intensity in the right and left tails of the conditional distribution is developed, which provides a timely aggregate measure of systemic financial fragility.
We develop a new technique to estimate vector autoregressions with a common factor error structure by quantile regression. We apply our technique to study credit risk spillovers among a group of 17 sovereigns and their respective financial sectors between January 2006 and December 2017. We show that idiosyncratic credit risk shocks propagate much more strongly in both tails than at the conditional mean or median. Furthermore, we develop a measure of the relative spillover intensity in the right and left tails of the conditional distribution that provides a timely aggregate measure of systemic financial fragility and that can be used for risk management and monitoring purposes.
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