PROMETHEE II — Preference Ranking Organisation Method for Enrichment of Evaluations II
PROMETHEE-II (PROMETHEE II — Preference Ranking Organisation Method for Enrichment of Evaluations II) is a outranking multi-criteria decision-making (MCDM) method introduced by Brans, J. P., Vincke, P. in 1985. It turns a decision matrix of alternatives scored on multiple criteria into a structured, reproducible result.
Key highlights
- Follows a transparent, reproducible computational procedure that can be audited step by step.
- Handles multiple criteria of differing scales and units within a single decision matrix.
Intuition
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How it works
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When to use it
Φ(a) ∈ [−1,+1]. Higher net flow means the alternative outranks more alternatives than it is outranked by. Φ = Φ⁺ − Φ⁻ gives a complete ranking (PROMETHEE II), unlike PROMETHEE I which yields a partial preorder. The 'usual' preference function is equivalent to BORDA count; richer functions (vshape, level) allow modelling indifference and preference thresholds.
Strengths & limitations
- Follows a transparent, reproducible computational procedure that can be audited step by step.
- Handles multiple criteria of differing scales and units within a single decision matrix.
- May exhibit rank reversal when alternatives are added to or removed from the set.
Common pitfalls
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Sources
- 1.Brans, J. P., Vincke, P. (1985). A preference ranking organisation method (The PROMETHEE method for multiple criteria decision-making). Management Science
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ScholarGate. (2026, June 2). PROMETHEE-II. ScholarGate. https://scholargate.app/decision-making/promethee-ii