An optimal diversification network model with fixed-solution universe subsets

An optimal diversification network model with fixed-solution universe subsets

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Article ID: iaor19912071
Country: United Kingdom
Volume: 42
Issue: 3
Start Page Number: 247
End Page Number: 251
Publication Date: Mar 1991
Journal: Journal of the Operational Research Society
Authors: , , ,
Keywords: investment
Abstract:

This paper develops a generalized dynamic network model for portfolio investment diversification. The model considers the situation of the fixed solution subset corresponding to a fixed single-resource economic investment such as that found in many oil-producing nations. Quadratic side constraints on the variance of the resultant flow distribution are added to the model to accommodate uncertainty. The model has been tested using a prototype example. The results indicate that the risk associated with a single-resource investment can be reduced by determining optimal investment weights.

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