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A Problem with Empirical Studies of Party Policy Shifts: Alternative Measures of Party Shifts are Uncorrelated

Adams, James and Bernardi, Luca and Ezrow, Lawrence and Gordon, Oakley and Liu, Tzu-Ping and Phillips, M Christine (2019) 'A Problem with Empirical Studies of Party Policy Shifts: Alternative Measures of Party Shifts are Uncorrelated.' European Journal of Political Research. ISSN 0304-4130

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Abstract

Many recent cross-national studies analyze the causes and electoral consequences of party policy shifts, using party position measures derived from (1) election manifestos, (2) expert surveys, or (3) voter surveys. However few studies validate their findings by analyzing multiple measures of party policy shifts. We analyze data on European parties’ position shifts on both European integration and Left-Right ideology and show that this is problematic, because while alternative measures of party policy positions correlate strongly in cross-sectional analyses, alternative measures of parties’ policy shifts are essentially uncorrelated in longitudinal analyses. We offer suggestions on how to address this problem.

Item Type: Article
Uncontrolled Keywords: p arty policy shifts; expert surveys; p arty manifestos; v oters’ perceptions of parties’ positions
Subjects: J Political Science > JA Political science (General)
Divisions: Faculty of Social Sciences > Government, Department of
Depositing User: Elements
Date Deposited: 11 Jan 2019 16:36
Last Modified: 13 Jun 2019 15:15
URI: http://repository.essex.ac.uk/id/eprint/23769

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