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Mathematical Problems in Engineering
Volume 2014, Article ID 654293, 9 pages
http://dx.doi.org/10.1155/2014/654293
Research Article

Selecting Large Portfolios of Social Projects in Public Organizations

1Faculty of Mechanical and Electrical Engineering, Nuevo Leon State University, 66451 Monterrey, NL, Mexico
2Faculty of Engineering, Anahuac University, 52786 Mexico City, MEX, Mexico

Received 23 December 2013; Revised 11 March 2014; Accepted 11 March 2014; Published 23 April 2014

Academic Editor: Vyacheslav Kalashnikov

Copyright © 2014 Igor Litvinchev et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

We address the portfolio selection of social projects in public organizations considering interdependencies (synergies) affecting project funds requirements and tasks. A mixed integer linear programming model is proposed incorporating the most relevant aspects of the problem found in the literature. The model supports both complete (all or nothing) and partial (a certain amount from a given interval of funding) resource allocation policies. Numerical results for large-scale problem instances are presented.