An examination of the ways in which the introduction of mixed-member electoral systems affects the configuration of political parties

Mixed-member electoral systems may well be the electoral reform of the 21st century. In the view of many electoral reformers, mixed systems offer the best of both the traditional British single-seat district system and PR systems. This book seeks to evaluate: why these systems have recently appealed to many countries with diverse electoral histories; and how well expectations for these systems have been met. - ;Mixed-member electoral systems may well be the electoral reform of the 21st century. In the view of many electoral reformers, mixed-member systems offer the best of both the traditional British single-seat district system and PR systems. This book seeks to evaluate: why mixed-member systems have recently appealed to many countries with diverse electoral histories; and how well expectations for these systems have been met. Each major country, which has adopted a mixed system thus, has two chapters in this book, one on origins and one on consequences. These countries are Germany, New Zealand, Italy, Israel, Japan, Venezuela, Bolivia, Mexico, Hungary, and Russia. In addition, there are also chapters on the prospects for a mixed-member system being adopted in Britain and Canada, respectively. The material presented suggests that mixed-member systems have been largely successful thus far. They appear to be more likely than most other electoral systems to generate two-bloc party systems, without in the process reducing minor parties to insignificance. In addition, they are more likely than any other class of electoral system to simultaneously generate local accountability as well as a nationally-oriented party system. Mixed-member electoral systems have now joined majoritarian and proportional systems as basic options which must be considered whenever electoral systems are designed or redesigned. Such a development represents a fundamental change in thinking about electoral systems around the world. - ;An important and timely contribution ... an excellent reference book that provides unique and extensive coverage of a diverse range of cases. - Japanese Journal of Political Science;The book provides a useful classification of some electoral system elements in two dimensions: inter-party (majoritarian vs. proportional) and intra-party (candidates vs. parties dominance), as well as ten single-country good reading studies. - West European Politics;The core of the book, especially the section on how MMP systems came to be introduced in the ten case study countries, will have lasting value for its detail ... the editors' contributions are excellent: they have done much more than simply collate a series of chapters. As a whole, the book will provide an important reference work for the study of what, in their words, 'might prove to be the electoral reform of the twenty-first century'. - Representation

Using election returns, public opinion surveys, and legislative roll-call data from many mixed systems in every world region, the authors show that contamination systematically affects party strategy, voting behaviour, legislative cohesion and overall structure of partisan competition.

No subject is more central to the study of politics than elections. All across the globe, elections are a focal point for citizens, the media, and politicians long before--and sometimes long after--they occur. Electoral systems, the rules about how voters' preferences are translated into election results, profoundly shape the results not only of individual elections but also of many other important political outcomes, including party systems, candidate selection, and policy choices. Electoral systems have been a hot topic in established democracies from the UK and Italy to New Zealand and Japan. Even in the United States, events like the 2016 presidential election and court decisions such as Citizens United have sparked advocates to promote change in the Electoral College, redistricting, and campaign-finance rules. Elections and electoral systems have also intensified as a field of academic study, with groundbreaking work over the past decade sharpening our understanding of how electoral systems fundamentally shape the connections among citizens, government, and policy. This volume provides an in-depth exploration of the origins and effects of electoral systems.

This book highlights how new and established democracies differ from one another in the effects of their electoral rules.

Four laws of party seats and votes are constructed by logic and tested, using physics-like approaches which are rare in social sciences.

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