Tail event driven ASset allocation: Evidence from equity and mutual funds' markets

Wolfgang Härdle, David Kuo Chuen Lee, Sergey Nasekin, Xinwen Ni and Alla Petukhina

No 2015-045, SFB 649 Discussion Papers from Humboldt University Berlin, Collaborative Research Center 649: Economic Risk

Abstract: Classical asset allocation methods have assumed that the distribution of asset returns is smooth, well behaved with stable statistical moments over time. The distribution is assumed to have constant moments with e.g., Gaussian distribution that can be conveniently parameterised by the first two moments. However, with market volatility increasing over time and after recent crises, asset allocators have cast doubts on the usefulness of such static methods that registered large drawdown of the portfolio. Others have suggested dynamic or synthetic strategies as alternatives, which have proven to be costly to implement. The authors propose and apply a method that focuses on the left tail of the distribution and does not require the knowledge of the entire distribution, and may be less costly to implement. The recently introduced TEDAS -Tail Event Driven ASset allocation approach determines the dependence between assets at tail measures. TEDAS uses adaptive Lasso based quantile regression in order to determine an active set of portfolio elements with negative non-zero coefficients. Based on these active risk factors, an adjustment for intertemporal dependency is made. The authors extend TEDAS methodology to three gestalts differing in allocation weights' determination: a Cornish-Fisher Value-at-Risk minimization, Markowitz diversification rule and naive equal weighting. TEDAS strategies significantly outperform other widely used allocation approaches on two asset markets: German equity and Global mutual funds.

Keywords: adaptive lasso; portfolio optimisation; quantile regression; Valueat- Risk; tail events (search for similar items in EconPapers)
JEL-codes: C00 C14 C50 C58 (search for similar items in EconPapers)
Date: 2015
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Journal Article: Tail Event Driven ASset allocation: evidence from equity and mutual funds’ markets (2018)
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