A comparison of Expected Shortfall estimation models

Marcelo Righi () and Paulo Sergio Ceretta

Journal of Economics and Business, 2015, vol. 78, issue C, 14-47

Abstract: We investigate whether there is a pattern regarding the quality of several models and methods in expected shortfall (ES) estimation, considering distinct asset classes, estimation windows and significance levels. We use unconditional, conditional and quantile/expectile regression-based models. We assess the performance of the models using the usual ES backtest and a proposed test based on the dispersion truncated by VaR. A Monte Carlo experiment indicates that our test has more power than the usual tests. The empirical results emphasize several patterns, such as certain estimation models produce risk estimates more parsimonious than the others do. In addition, VaR estimation is important for ES estimation, once incorrect violation can lead to low p-values in the backtests. Moreover, small estimation windows lead to inferior ES estimation results, as well as there are distinctions in the results for different quantiles of interest. Regarding performance, there is a predominance of conditional models, especially those that respect the stylized facts of financial returns.

Keywords: Risk measures; Expected shortfall; Risk estimation; Backtesting (search for similar items in EconPapers)
JEL-codes: C1 G1 G17 (search for similar items in EconPapers)
Date: 2015
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (36)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:jebusi:v:78:y:2015:i:c:p:14-47

DOI: 10.1016/j.jeconbus.2014.11.002

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