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In this paper we consider an interval portfolio selection problem withuncertain returns and introduce an inclusive concept of satisfaction index forinterval inequality relation. Based on the satisfaction index, we propose anapproach to reduce the interval programming problem with uncertain objectiveand constraints into a standard linear programming problem with two parameters.We showed by simulation experiment that our method is capable of helpinginvestors to find efficient portfolios according to their preference.

Optimization Method for Interval Portfolio Selection Based on Satisfaction Index of Interval inequality Relation