Quadratic programming for portfolio planning: Insights into algorithmic and computational issues
Gautam Mitra (),
Frank Ellison and
Alan Scowcroft
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Gautam Mitra: CARISMA — The Centre for the Analysis of Risk and Optimisation Modelling Applications, Brunel University
Journal of Asset Management, 2007, vol. 8, issue 3, No 6, 200-214
Abstract:
Abstract Convex quadratic programming (QP) as applied to portfolio planning is established and well understood. In this paper, presented in two parts, we highlight the importance of choosing an algorithm that processes a family of problems efficiently. In Part I in particular we describe an adaptation of the simplex method for QP. The method takes advantage of the sparse features of simplex and the use of the duality property makes it ideally suited for processing the discrete optimisation models. Part II (to be published in issue 8/4) of the paper considers a family of discrete QP formulations of the portfolio problem, which captures threshold constraints and cardinality restrictions. We describe the adaptation of a novel method ‘branch, fix and relax’ to process this class of models efficiently. Theory and computational results are presented.
Keywords: mean–variance model; threshold constraints; cardinality constraints; quadratic programming; simplex method; interior point method; portfolio planning; factor model (search for similar items in EconPapers)
Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:pal:assmgt:v:8:y:2007:i:3:d:10.1057_palgrave.jam.2250075
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DOI: 10.1057/palgrave.jam.2250075
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