Frederik Ravn Klausen

Ensuring proportionality: a logical model for compensatory seats added to multi-member constituencies

How many compensatory seats are needed to ensure (full) proportionality in two-tier electoral systems with multi-member constituencies? This question is answered by estimating the discrepancy between seats and votes rigorously, probabilistically and empirically. In 1919, P\'olya showed that the Jefferson/D'Hondt method...