Moving Forward from Predictive Regressions: Boosting Asset Allocation Decisions

73 Pages Posted: 2 Jul 2020 Last revised: 1 Feb 2021

Date Written: June 10, 2020

Abstract

We introduce a flexible utility-based empirical approach to directly determine asset allocation decisions between risky and risk-free assets. This is in contrast to the commonly used two-step approach where least squares optimal statistical equity premium predictions are first constructed to form portfolio weights before economic criteria are used to evaluate resulting portfolio performance. Our single-step customized gradient boosting method is specifically designed to find optimal portfolio weights in a direct utility maximization. Empirical results of the monthly U.S. data show the superiority of boosted portfolio weights over several benchmarks, generating interpretable results and profitable asset allocation decisions.

Keywords: utility maximization, return predictability, machine learning, gradient boosting

JEL Classification: C22, C53, C58, G11, G17

Suggested Citation

Nevasalmi, Lauri and Nyberg, Henri, Moving Forward from Predictive Regressions: Boosting Asset Allocation Decisions (June 10, 2020). Available at SSRN: https://ssrn.com/abstract=3623956 or http://dx.doi.org/10.2139/ssrn.3623956

Lauri Nevasalmi (Contact Author)

University of Turku ( email )

Finland

Henri Nyberg

University of Turku ( email )

Turku, 20014
Finland

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