Journal Articles

The Ideological Congruence Controversy: The Impact of Alternative Measures, Data, and Time Periods on the Effects of Election Rules

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Focusing on the left-right scale as a summary measure of citizens’ and representatives’ preferences, a growing body of literature has used a variety of approaches and data in measuring positions of citizens and representatives. The most recent studies, contrary to previous ones, show no significant difference between ideological congruence in single member district (SMD) and proportional representation (PR) electoral systems. This article examines the major alternative measurement approaches and data sets, finding that recent results are due to differences in time period, not differences in measurement approach. The associations between election rules and ideological congruence are relatively robust to various measurement approaches, as are estimations of the causal processes shaping ideological congruence. The association between election rules and congruence has declined in the past decade, as shown by all three major approaches, due primarily to convergence toward the median of plurality parties in the SMD elections.

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Detail Information

Series Title

Comparative Political Studies

Call Number

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Publisher

Thousand Oaks, CA : Sage Publication., 2009

Collation

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Language

English

ISBN/ISSN

0010-4140

Classification

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Content Type

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Media Type

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Carrier Type

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Edition

Vol. 42, No. 12, December 2009.pp. 1475-1497

Subject(s)

Representation
Ideology
Proportional Representation
Measurement
Single member districts
The Ideological Congruence Controversy

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