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28 September 2022

Webinar: Chapel Hill Expert Survey trend file, 1999-2019

City-ESS HQ-NatCen survey methodology seminar series


In the first survey methods webinar of the new academic year, Seth Jolly and Ryan Bakker will discuss the Chapel Hill Expert Survey (CHES).


Seth Jolly, Syracuse University and Ryan Bakker, University of Essex.

Date: Wednesday 28 September, 5-6pm

This online event is free to attend, please register using the link below. 

Sign up for the event here

The presentation will primarily focus on the CHES trend file (1999-2019), that estimates political party positioning on ideology and policy issues for national parties in countries across the world.

Research on party competition and political representation relies on valid cross-national measures of party positions.

The latest Chapel Hill Expert Survey trend file contains cross-national measures on European integration, ideology, and several European Union (EU) and non-EU policies for six waves of the survey, from 1999 to 2019.

This trend file provides party position measures for all 28 EU countries and 1196 party-year observations.

In this webinar, Seth Jolly (Syracuse University) and Ryan Bakker (University of Essex) will analyse the evolving party positions on European integration from 1999 to 2019.

This will include a particular focus on how EU positions are related to economic left-right and the Green/Alternative/Libertarian-Traditional/Authoritarian/Nationalist dimension (GAL-TAN).

Additionally, they will discuss the Special Edition Chapel Hill Expert Surveys (SPEED CHES), administered in June 2020 and completed by 257 political scientists specialising in political parties and European integration.

The 2020 SPEED CHES dataset provides information about the positioning of 251 parties in 32 countries on four COVID-19 related policies.

The pair will also focus on expanding CHES to other parts of the world and the future of the project.

About the Speakers

Seth Jolly is an Associate Professor of Political Science at the Maxwell School of Syracuse University. He earned his PhD in Political Science from Duke University in 2006, and taught at Duke University and the University of Chicago before arriving in Syracuse in 2008. Professor Jolly’s research focuses on the interaction of political institutions and political parties in Europe.

His 2015 book, The European Union and the Rise of Regionalist Parties, explores how European integration affects the electoral success of regionalist parties. He is currently working on a project investigating whether parties adequately represent the public in European democracies. He is also one of the co-Principle Investigators of the Chapel Hill Expert Survey (CHES), an expert survey designed to evaluate political party ideologies.

Ryan Bakker is a Reader in Comparative Politics and Director of the Essex Summer School in Social Science Data Analysis at the University of Essex. He earned his PhD in Political Science from the University of North Carolina in 2007.

He was a Post-Doctoral Fellow at Nuffield College at the University of Oxford before spending 11 years at the University of Georgia.  He has been at the University of Essex since 2019.  Dr. Bakker’s research interests include party politics, European elections, party-voter linkages, Bayesian modelling, and survey research.  He has been a co-principle investigator on the Chapel Hill Expert Survey (CHES) since 2007

Sign up for the event here

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