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Benchmaker

Glossary · Meaning and specification

Lexicographic rule≻

2Instrument

An aggregation rule that compares options on the highest-priority criterion first, such as safety ≻ quality ≻ cost; a lower criterion counts only among options that the higher ones do not separate.

Also called: lexicographic order

Defined in

Handbook · InstrumentAggregation geometryWeighted means assume strengths can offset weaknesses; gates assert some failures are fatal. How criteria combine is a normative decision, so make it explicitly.
Aggregation geometry
The rule that combines criterion-level signals into a decision: weighted mean, conjunctive gate, lexicographic order, Pareto vector, or tail-risk rule.

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