Gallagher Index

GPTKB entity

Statements (19)
Predicate Object
gptkbp:instanceOf electoral system metric
gptkbp:alsoKnownAs gptkb:Least_Squares_Index
gptkbp:appliesTo majoritarian systems
proportional representation systems
gptkbp:createdBy gptkb:Michael_Gallagher
gptkbp:form square root of half the sum of the squares of the difference between vote share and seat share for each party
https://www.w3.org/2000/01/rdf-schema#label Gallagher Index
gptkbp:introducedIn 1991
gptkbp:lowerValueMeans more proportional
gptkbp:measures disproportionality of electoral outcomes
gptkbp:publishedIn gptkb:Electoral_Studies_journal
gptkbp:relatedTo gptkb:Loosemore–Hanby_Index
gptkb:Sainte-Laguë_Index
gptkbp:usedBy comparative politics researchers
electoral system analysts
gptkbp:usedIn political science
gptkbp:valuation less proportional
gptkbp:bfsParent gptkb:Michael_Gallagher
gptkbp:bfsLayer 6