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Mixed-Member Electoral SystemsThe Best of Both Worlds?$
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Matthew Soberg Shugart and Martin P. Wattenberg

Print publication date: 2003

Print ISBN-13: 9780199257683

Published to Oxford Scholarship Online: November 2003

DOI: 10.1093/019925768X.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 18 September 2021

Electoral Reform in Bolivia: Origins of the Mixed‐Member Proportional System

Electoral Reform in Bolivia: Origins of the Mixed‐Member Proportional System

(p.194) 9 Electoral Reform in Bolivia: Origins of the Mixed‐Member Proportional System
Mixed-Member Electoral Systems

René Antonio Mayorga

Oxford University Press

In 1994, Bolivia undertook a major constitutional and electoral reform, in which a closed‐list proportional representation (PR) system for the Lower House of the Congress was replaced by a mixed‐member proportional (MMP) system. Article 60 of the reformed constitution establishes that 68 deputies out of a constitutionally fixed number of 130 will be chosen by plurality rule in single‐seat districts, while the remaining 62 will be chosen by party‐list voting according to proportional representation in nine regional multi‐seat districts. This new electoral system establishes seats linkage between the two tiers such that the overall allocation of seats is determined proportionally according to list votes at the level of each multi‐seat district. In analyzing the underlying causes of the electoral reform in 1994, Mayorga first deals with the widely perceived fundamental problems and flaws of the traditional PR system and, second, addresses the main causes leading to the adoption of an MMP system, focusing on the context in which the politics of electoral reform was carried out.

Keywords:   Bolivia, constitutional reform, electoral history, electoral reform, electoral systems, mixed‐member electoral systems, mixed‐member proportional systems, multi‐seat districts, plurality rule, proportional representation systems, seats linkage, single‐seat districts

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