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Estimation and backtesting of risk measures with emphasis on distortion risk measures

October 25 @ 10:00 am - 11:00 am CDT

Speaker: Prof. Hideatsu Tsukahara, Dept.. of Economics, Seijo University, Tokyo

Abstract: Statistical methodology has an important role to play in risk measurement. In this paper, we will review and discuss some statistical issues on risk measures. Examples we consider are value-at-risk, expected shortfall, expectiles, and distortion risk measures. Several methods of estimating these risk measures based on time series data have been proposed, and we will try to explain in some detail. Another main issue we would like to address is a problem of backtesting: the evaluation of risk measurement procedures using historical data, by comparing ex ante estimates of loss distributions or risk measures with the ex post realized losses. There have been several suggestions concerning backtestability of risk measures, which will be discuss in detail. We also examine and suggest backtesting procedures for predictive distributions, expected shortfall and distortion risk measures.

Details

Date:
October 25
Time:
10:00 am - 11:00 am CDT
Event Categories:
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Venue

via Zoom