E3 Journal of Business Management and Economics
E3 Journal of Business Management and Economics Vol. 3 (3) pp. 106-117, March 2012; © E3 Journals; ISSN 2141-7482
ERP consultant selection problem using AHP, fuzzy AHP and ANP: A case study in Turkey
Ozalp Vayvay , Yigit Ozcan , Maria Manuela Cruz-Cunha *Marmara University, Turkey
*Corresponding Author E-mail: mcunha@ipca.pt
Accepted 11 February 2012
Abstract
In the information technology industry, projects are often carried out simultaneously and with limited human resources, being of major relevance to adequately allocate consultants (using either the company’s own consultants or outsourcing) to each project. At the company analyzed, consultants’ allocation to concurrent projects, especially when outsourcing is done, is complex. To solve the decision problem, the Project Resource Planning method (PRP), Analytic Hierarchy Process (AHP), fuzzy AHP and Analytic Network Process (ANP)-based methodologies were used. The experiments suggested that both AHP and fuzzy AHP led to the same results, but neither of these considered the interactions within decision elements during the selection process, while ANP, which takes into account these interactions, most correctly weighs the sub-criteria and gives the best composite weights.
Keywords: Analytic Hierarchy Process (AHP); Analytic Network Process (ANP); Consultant selection; fuzzy AHP; Multi-criteria decision making; Project management
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