Hesitant fuzzy set is a very useful technique in the situations where there are some difficulties in determining the membership of an element to a set. Some aggregation methods have been developed for hesitant fuzzy information. Current aggregation methods are under the assumption that the criteria are at the same priority level. However, in real decision making problems, criteria have differen...

Background: Outsourcing is considered as one of the tools for organizational development and promotion of productivity by managers. In recent years, outsourcing of healthcare services has become significant. The aim of this study was to identify the most important factors influencing the decision making of outsourcing healthcare services.    Methods: This study is a combined study. F...

This feature cluster of the European Journal of Operational Research is one of three special issues devoted to results from the Sixteenth International Conference on Multi-Criteria Decision Making held at Semmering, Austria, on February 18–22, 2002. The special issue of the Journal of MultiCriteria Decision Making edited by Matthias Ehrgott and Mikulas Luptacik will focus on application-oriente...

Background: The efficiency of health system services is a critical measure for societies development. During the last fifty years, the world has witnessed a massive increase in health expenditure, and health-related cost, especially in developing countries, is the main obstacle in the way of advance in health care systems. As a remarkable portion of this cost belongs to blood supply chain...

This paper analyses two hypotheses that considers a correlation between the number of alternatives and criteria considered in multiple decision-making (MCDM) problem with minimum percentage change required lowest criterion weight to outcome method. Two MCDM methods are considered, analytical hierarchy process (AHP) preference ranking organisation method for enrichment evaluations II (PROMETHEE ...

Companies with assessment criteria often consider only the leader's subjectivity and ignore other criteria. Limited appraisal result in shortcomings decision-making process. This study examines performance a plastic manufacturing company's production floor develops multi-criteria model for by considering company We propose qualitative approach using analytic network process to determine weighte...

This paper proposes a method for ranking decision making units (DMUs) using some of the multiple criteria decision making / multiple attribute decision making          (MCDM /MADM) techniques, namely, interval analytic hierarchy process (IAHP)          and the technique for order preference by similarity to an ideal solution (TOPSIS).          Since the efficiency score of unity is assigned to ...