Mean-Variance stochastic goal programming for sustainable mutual funds' portfolio selection

2015 
espanolLos modelos media-varianza de Programacion por Metas Estocasticas (MV-SGP) proporcionan soluciones de inversion satisfactorias en contextos de incertidumbre. En este trabajo, proponemos un modelo MV-SGP que incluye metas financieras y de sostenibilidad. El enfoque que proponemos se basa en un procedimiento en dos etapas. En la primera etapa se obtiene el conjunto de oportunidades de inversion aplicando filtros de sostenibilidad y/o financieros a un conjunto de activos financieros previamente evaluado y ordenado mediante el metodo TOPSIS. En la segunda etapa se obtienen carteras de activos “satisfactorias” mediante la aplicacion del metodo de Programacion por Metas. Hemos considerado dos metas. La primera meta refleja unicamente aspectos financieros mientras que la segunda representa la vertiente referida a la sostenibilidad. El modelo incluye estimaciones de la aversion al riesgo absoluta del inversor para cuya obtencion se proponen dos enfoques diferentes. EnglishMean-Variance Stochastic Goal Programming models (MV-SGP) provide satisficing investment solutions in uncertain contexts. In this work, an MV-SGP model is proposed for portfolio selection which includes goals with regards to traditional and sustainable assets. The proposed approach is based on a two-step procedure. In the first step, sustainability and/or financial screens are applied to a set of assets (mutual funds) previously evaluated with TOPSIS to determine the opportunity set. In a second step, satisficing portfolios of assets are obtained using a Goal Programming approach. Two different goals are considered. The first goal reflects only the purely financial side of the target while the second goal is referred to the sustainable side. Aversion to Risk Absolute (ARA) coefficients are estimated and incorporated in our investment decision making approach using two different approaches.
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