Asset Allocation by Penalized Least Squares

53 Pages Posted: 6 Feb 2007  

Simone Manganelli

European Central Bank (ECB)

Date Written: February 2007

Abstract

This paper shows how the problem of mean-downside risk portfolio allocation can be cast in terms of penalized least squares (PLS). The penalty is given by a power function of the returns below a certain threshold. We derive the asymptotic properties of the PLS estimator, allowing for possible nonlinearities and misspecification of the model. We illustrate the usefulness of this new class of estimators with two empirical applications. First, we estimate an autoregressive model,in the spirit of the GARCH literature. Second, we suggest a simple strategy to derive the optimal portfolio weights associated to a mean-downside risk model.

Keywords: Portfolio optimization, mean-risk utility model, stochastic dominance, asymmetric least squares, expectile

JEL Classification: C14, C22, G11

Suggested Citation

Manganelli , Simone, Asset Allocation by Penalized Least Squares (February 2007). ECB Working Paper No. 723. Available at SSRN: https://ssrn.com/abstract=958688

Simone Manganelli (Contact Author)

European Central Bank (ECB) ( email )

Kaiserstrasse 29
Frankfurt am Main, 60311
Germany

HOME PAGE: http://www.simonemanganelli.org

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