A Decision Model for Ranking Suppliers in the Presence of Cardinal and Ordinal Data, Weight Restrictions, and Nondiscretionary Factors

Abstract

Selecting an appropriate supplier for outsourcing is now one of the most important decisions of the purchasing department. This paper proposes a model for ranking suppliers in the presence of weight restrictions, nondiscretionary factors, and cardinal and ordinal data. A numerical example demonstrates the application of the proposed method.