Voting Patterns in the European Parliament: Is the Structure of Political Conflict Changing?
In this paper we study the changing multi-dimensional structure of political (ideological) conflict in the European Parliament. We analyze whether a structural change in terms of coalition formation is taking place in the current European Parliament. Using the roll call votes from the sixth (2004-09), seventh (2009-14), and eighth (2014-19) European Parliaments, we show that, as in the past, two dimensions are needed to explain voting behavior in the European Parliament. However, we find that the dimensionality of policy space has changed. Before 2014, the first dimension was left-right and the second dimension was pro/anti-EU; after 2014, the first dimension seems to be related to pro/anti-EU and left-right.
Abdul Noury is an associate professor in the division of the social sciences at New York University Abu Dhabi. This year he is a fellow at the Center for Advanced Study in the Behavioral Sciences at Stanford University.
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Axel Polleres is currently a visiting professor at Stanford under the Distinguished Visiting Austrian Chair Professors program hosted by The Europe Center in the Freeman Spogli Institute for International Studies.
Jonathan Rodden started his academic career at MIT, and joined the Stanford political science faculty in 2007. In 2012, he founded the Stanford Spatial Social Science Lab, which is a center for research and teaching dedicated to the use of geo-spatial data in the social sciences. Jonathan’s recent work focuses on the geography of economic production and political competition, especially in industrialized societies. He has written a number of journal articles examining the spatial arrangement of voting behavior in Europe, North America, and Australasia since the industrial revolution. He has also written a series of related papers on redistricting and partisan gerrymandering.