Semiparametric Dynamic Portfolio Choice with Multiple Conditioning Variables

Jia Chen, Degui Li, Oliver Linton and Zudi Lu

Discussion Papers from Department of Economics, University of York

Abstract: Dynamic portfolio choice has been a central and essential objective for institutional investors in active asset management. In this paper, we study the dynamic portfolio choice with multiple conditioning variables, where the number of the conditioning variables can be either fixed or diverging to infinity at certain polynomial rate of the sample size. We propose a novel data-driven method to estimate the optimal portfolio choice, motivated by the model averaging marginal regression approach suggested by Li, Linton and Lu (2015). More specifically, in order to avoid the curse of dimensionality associated with multivariate nonparametric regression problem and to make it practically implementable, we first estimate the marginal optimal portfolio choice by maximising the conditional utility function for each univariate conditioning variable, and then construct the joint dynamic optimal portfolio through the weighted average of the marginal optimal portfolio across all the conditioning variables. Under some regularity conditions, we establish the large sample properties for the developed portfolio choice procedure. Both simulation studies and empirical application well demonstrate the performance of the proposed methodology.

Keywords: Conditioning variables; kernel smoothing; model averaging; portfolio choice; utility function (search for similar items in EconPapers)
JEL-codes: C13 C14 C32 (search for similar items in EconPapers)
Date: 2015-02
New Economics Papers: this item is included in nep-ecm and nep-upt
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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Related works:
Journal Article: Semiparametric dynamic portfolio choice with multiple conditioning variables (2016)
Working Paper: Semiparametric dynamic portfolio choice with multiple conditioning variables (2015)
Working Paper: Semiparametric dynamic portfolio choice with multiple conditioning variables (2015)
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Persistent link: https://EconPapers.repec.org/RePEc:yor:yorken:15/01

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