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Electoral Institutions and Intraparty Cohesion

Konstantinos Matakos, Riikka Savolainen, Orestis Troumpounis (), Janne Tukiainen and Dimitrios Xefteris

No 109, Working Papers from VATT Institute for Economic Research

Abstract: We study parties' optimal ideological cohesion across electoral rules, when the following trade-off is present: A more heterogenous set of candidates is electorally appealing (catch-all party), yet, it serves policy-related goals less efficiently. When the rule becomes more disproportional, thus inducing a more favorable seat allocation for the winner, the first effect is amplified, incentivizing parties to be less cohesive. We provide empirical support using a unique data-set that records candidates' ideological positions in Finnish municipal elections. Exploiting an exogenous change of electoral rule disproportionality at different population thresholds, we identify the causal effect of electoral rules on parties' cohesion. This version (March 4, 2019) replaces the July 12, 2018 version.

Keywords: electoral systems; ideological heterogeneity; party cohesion; policymotivated parties; proportional representation; regression discontinuity design; Local public finance and provision of public services; C21; C72; D02; D72; Kunnat ja hyvinvointialueet (search for similar items in EconPapers)
Date: 2018
New Economics Papers: this item is included in nep-cdm and nep-pol
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (9)

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