Multi-criteria approach to project portfolio selection considering structural hardness and correlations between projects

Document Type : Research Paper


1 Department of Industrial and Systems Engineering, Isfahan University of Technology, Isfahan

2 Isfahan University of Technology


Project portfolio selection is very important subject of decision-makers in project-based organizations. The best assignment of resources to the most appropriate projects is necessary as financing projects with low benefit is just waste of organization's resources. However, existing project selection models pay not much attention the structure and special features of projects as a selection criterion, while their hardness may prolong the project duration and even result in stopping the project. Furthermore, the models cannot consider correlations between projects which may affect the results of projects. In this paper, a model is proposed to measure the structural hardness of projects. Then, a project portfolio selection model is proposed considering hardness and correlations between projects. A case study is presented to test the performance of the model in real world problems. At the end, some large-sized numerical example has been solved. The results show the capability of the model to solve large-sized problems in a suitable time. The important role of structural hardness in project selection was discussed and sensitivity analysis has been done.


Main Subjects

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Volume 10, Issue 4
November 2017
Pages 141-157
  • Receive Date: 08 April 2017
  • Revise Date: 09 May 2017
  • Accept Date: 12 June 2017
  • First Publish Date: 14 November 2017