Portfolio Selection with minimum transaction lots: an approach with dual expected utility
In this paper we analyse the portfolio selectionproblem with minimum transactionlots in the context of non-expected utility theory. We assume that the decisionmaker ranks the alternatives by using a specific DualExpectedUtility. This functionallows portfolio values less or equal a fixed benchmark tobe weighted inadifferent way from values greater than the fixedbenchmark. Under normallydistributedreturns and opportunechoice ofthe benchmark, the suggested approach leads to an NP-complete problemandhas the advantage ofusing mixed linear programming to obtainthe optimal portfolio. We also show resultsobtained by implementing the model on the Italian stock market. (keywords: dual expectedutility, portfolio selection, NP-completeness, linear programming with mixed variables)
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- Floriana Filippini & Marisa Cenci, 2005. "Portfolio selection: a linear approach with dual expected utility," Departmental Working Papers of Economics - University 'Roma Tre' 0048, Department of Economics - University Roma Tre.
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