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Replication data for: The international diffusion of electoral systems: The spread of mechanisms tempering proportional representation across Europe

Harvard Dataverse (Africa Rice Center, Bioversity International, CCAFS, CIAT, IFPRI, IRRI and WorldFish)

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Title Replication data for: The international diffusion of electoral systems: The spread of mechanisms tempering proportional representation across Europe
 
Identifier https://doi.org/10.7910/DVN/29167
 
Creator Bol, Damien
Pilet, Jean-Benoit
Riera, Pedro
 
Publisher Harvard Dataverse
 
Description There is an assumption in much of the electoral engineering literature that domestic episodes of electoral system choice occur in a vacuum isolated from international influences. Yet this assumption remains largely untested, despite the comparative focus of much of that literature. This article focuses on part of this gap by considering two electoral mechanisms seeking to limit party system fragmentation under proportional representation – low district magnitudes and high electoral thresholds – and shows that the mechanisms spread across many European countries during the post-1945 period. Analyses reveal that national legislators are more likely to adopt one of these electoral mechanisms when a large number of peer countries have made similar choices within the last two or three years. This effect is robust to various model specifications and to the inclusion of multiple controls. We also offer some qualitative evidence from case studies and parliamentary debates.
 
Subject Social Sciences