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Replication Data for: Political Institutions, Electoral Systems, and Party Stability in 40 Democracies Including Brazil

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

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Title Replication Data for: Political Institutions, Electoral Systems, and Party Stability in 40 Democracies Including Brazil
 
Identifier https://doi.org/10.7910/DVN/XOFW2Q
 
Creator Oliveira, Augusto Neftali Corte de
 
Publisher Harvard Dataverse
 
Description This article investigates the impact of political and electoral institutions on party system stability in 40 democracies, including Brazil. Party stability is analyzed using the Electoral Party Variation (EPV) indicator, based on the Effective Number of Electoral Parties (ENEP). The political and electoral institutions of interest include electoral magnitude, electoral formula, and an approach derived from Sartori (strong, feeble, and moderate electoral systems). The analysis employs four models using the generalized estimating equation (GEE) method for panel data (40 cases, seven periods). It is observed that the electoral system is efficient in explaining party stability. High average district magnitude, proportional electoral formula, and feeble electoral systems are permissive factors for party system instability. The case of Brazil is not an exception, as the instability of the party system in the country is appropriately interpreted in light of the prevailing political institutions.
 
Subject Social Sciences
Party system
electoral system
panel data
party stability
 
Date 2023-10-16
 
Contributor Martins, Debora