Uncertain mean-variance model for dynamic project portfolio selection problem with divisibility

Xingmei Li (), Yaxian Wang (), Qingyou Yan () and Xinchao Zhao
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Xingmei Li: North China Electric Power University
Yaxian Wang: North China Electric Power University
Qingyou Yan: North China Electric Power University
Xinchao Zhao: Beijing University of Posts and Telecommunications

Fuzzy Optimization and Decision Making, 2019, vol. 18, issue 1, No 3, 37-56

Abstract: Abstract The project portfolio selection problem considering divisibility is a new research problem rising in recent years. However, two deficiencies are discovered in current divisible project portfolio selection research, one is that researchers always ignore the already started exiting projects when selecting a project portfolio, and the other is that the project parameters are all considered as exact values which are not consistent with practice situation. Under this circumstance, the paper first discusses the dynamic project portfolio selection problem with project divisibility. Meanwhile, due to the lack of correlative historical data, some project parameters are given by experts’ estimates and are treated as uncertain variables. Therefore, a mean-variance mixed integer nonlinear optimal selection model is first developed in this paper to deal with the uncertain dynamic project portfolio selection problem with divisibility. For the convenience of computations, an equivalent mixed integer linear programming representation is proposed. Numerical examples with two scenarios are presented to shed light on the characteristics of the proposed model.

Keywords: Project portfolio selection problem; Project divisibility; Existing project adjustment (i.e. dynamic); Uncertainty theory (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (3)

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DOI: 10.1007/s10700-018-9283-6

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