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Ryan Bakker

Biographic Data

ID1417845
NAMERyan Bakker
GIVEN NAMESRyan
FAMILY NAMEBakker
SIGNATUREBAKKER R
AFFILIATIONSUniversity of Georgia
ORCID0000-0002-7695-9467
VERIFIEDYes
TOTAL WORKS29
TOTAL CITATIONS1933
AUTHOR COUNT29
EDITOR COUNT0
FIRST PUBLICATION YEAR2006
LATEST PUBLICATION YEAR2025
H-INDEX14
  • The 2024 Chapel Hill Expert Survey on political party positioning in Europe: Twenty-five years of party positional data

    Open Access•Jan Rovny, Jonathan Polk et al.•ARTICLE•Electoral Studies•2025•Cited by: 9•References: 23

  • A global scale of economic left-right party positions: Cross-National and Cross-Expert Perceptions of Party Placements

    Nicolás De La Cerda, Ryan Bakker et al.•ARTICLE•The Journal of Politics•2025•Cited by: 1•References: 27

    We examine the cross-national comparability of expert placements of political partieson the economic left-right dimension using a novel dataset combining data from Europe, Latin America, Australia, Israel, Canada, and the United States. Using anchoring vignettes and Bayesian Aldrich-McKelvey Scaling (BAM), we assess evidence of geographic and expert-level differential item functioning (DIF) in how experts interpret the left-right scale. We find s…

  • The Israeli parties' positions in comparative perspective

    Open Access•Roi Zur, Ryan Bakker•ARTICLE•Party Politics•2025•Cited by: 10•References: 25

    The multidimensionality of the Israeli political system is expected given Israel’s electoral system and cleavage structure. We introduce a new dataset and measurement of party positions in Israel and provide evidence that Israel’s party system is comparable to other multiparty systems in Europe (CHES-EU) and Latin America (CHES-LA). We argue and provide evidence that the most important dimension in the Israeli party system, similar to other multi…

  • The Russian threat and the consolidation of the West: How populism and EU-skepticism shape party support for Ukraine

    Open Access•Liesbet Hooghe, Gary Marks et al.•ARTICLE•European Union Politics•2024•Cited by: 21•References: 47

    Support for Ukraine against Russian aggression has been strong across Europe, but it is far from uniform. An expert survey of the positions taken by political parties in 29 countries conducted mid-2023 reveals that 97 of 269 parties reject one or more of the following: providing weapons, hosting refugees, supporting Ukraine's path to European Union membership, or accepting higher energy costs. Where the perceived threat from Russia is most severe…

  • The Development of the Urban-Rural Cleavage in Anglo-American Democracies

    Open Access•Zak Taylor, J Lucas et al.•ARTICLE•Comparative Political Studies•2024•Cited by: 26•References: 90

    We provide a mixed-methods, comparative analysis of the development of the urban-rural electoral cleavage in Canada, Great Britain, and the United States from the early 20th century to the present. Using aggregate election results, electoral district boundary files, and electoral district population measures, we construct a new comparable dataset of district election results and urbanity for the lower house of the legislature in each country. We …

  • Revisiting party system structuration in Latin America and Europe: Economic and socio-cultural dimensions

    Open Access•Cecilia Martínez‐gallardo, Nicolás De La Cerda et al.•ARTICLE•Party Politics•2023•Cited by: 26•References: 33

    The degree to which party systems are ideologically and programmatically structured is central to democracy. This article analyzes differences in the extent and nature of programmatic structuration in Latin America and Europe, using a new original data source, the Chapel Hill Expert Survey-Latin America (CHES-LA), in combination with the long-standing CHES-Europe. First, we demonstrate the reliability of CHES-LA in relation to CHES-Europe, and su…

  • Analyzing the cross-national comparability of party positions on the socio-cultural and EU dimensions in Europe

    Open Access•Ryan Bakker, Stephen Jolly et al.•ARTICLE•Political Science Research and…•2022•Cited by: 12•References: 29

    Using survey vignettes and scaling techniques, we estimate common socio-cultural and European integration dimensions for political parties across the member states of the European Union. Previous research shows that party placements on the economic left-right dimension are cross-nationally comparable across the EU; however, the socio-cultural dimension is more complex, with different issues forming the core of the dimension in different countries…

  • Contesting Covid: The ideological bases of partisan responses to the Covid‐19 pandemic

    Open Access•Jan Rovny, Ryan Bakker et al.•ARTICLE•European Journal of Political…•2022•Cited by: 28•References: 28

    How do political parties respond to external shocks? Using an original survey of political parties across Europe conducted in June 2020 and Chapel Hill Expert Survey (CHES) data on partisan ideological positioning, we argue that the pre‐existing ideological stances of Europe's political parties shaped their response to emerging Covid‐19 policy issues, including the tension between economic normalization and containment, legal versus voluntary enf…

  • Chapel Hill Expert Survey trend file, 1999-2019

    Open Access•Stephen Jolly, Ryan Bakker et al.•ARTICLE•Electoral Studies•2022•Cited by: 355•References: 23

  • Bridging the pond: Measuring policy positions in the United States and Europe

    Open Access•Cory L Struthers, Christopher Hare et al.•ARTICLE•Political Science Research and…•2020•Cited by: 6•References: 48

    Recent work has pioneered the use of expert surveys to estimate cross-national party positions in a common ideological space. In this paper, we report findings from an original dataset designed to evaluate bridging strategies between European and American party placements. Specifically, we compare the use of “anchoring vignettes” (fictional party platforms) with an alternative approach that asks comparativist scholars who live in the US (whom we …

  • Multidimensional incongruence, political disaffection, and support for anti-establishment parties

    Ryan Bakker, Stephen Jolly et al.•ARTICLE•Journal of European Public Policy•2020•Cited by: 34•References: 52

    To what extent do representational gaps between parties and voters destabilise party systems and create electoral opportunities for anti-establishment parties on the left and right? In this paper, we use multiple measures of party-partisan incongruence to evaluate whether issue-level incongruence contributes to an increase of political disaffection and anti-establishment politics. For this analysis, we use data from the Chapel Hill Expert Survey …

  • Using practitioner surveys to measure human rights: The Human Rights Measurement Initiative's civil and political rights metrics

    Open Access•K Chad Clay, Ryan Bakker et al.•ARTICLE•Journal of Peace Research•2020•Cited by: 8•References: 19

    Most cross-national datasets of civil and political rights practices have relied on internationally distributed English language secondary sources as the core source of information for their metrics. This approach has yielded data that are highly reliable, but also suffer from the fact that their information sources under-represent the overall level of abuse internationally and do so in a way that is biased across countries. The combined knowledg…

  • Multidimensional incongruence and vote switching in Europe

    Open Access•Ryan Bakker, Stephen Jolly et al.•ARTICLE•Public Choice•2018•Cited by: 19•References: 66

  • Explaining the salience of anti-elitism and reducing political corruption for political parties in Europe with the 2014 Chapel Hill Expert Survey data

    Open Access•Jonathan Polk, Jan Rovny et al.•ARTICLE•Research & Politics•2017•Cited by: 236•References: 25

    This article addresses the variation of anti-corruption and anti-elite salience in party positioning across Europe. It demonstrates that while anti-corruption salience is primarily related to the (regional) context in which a party operates, anti-elite salience is primarily a function of party ideology. Extreme left and extreme conservative (TAN) parties are significantly more likely to emphasize anti-elite views. Through its use of the new 2014 …

  • Measuring social trust and trusting the measure

    Open Access•Florian Justwan, Ryan Bakker et al.•ARTICLE•The Social Science Journal•2017•Cited by: 1•References: 29

    Decades of rigorous quantitative scholarship have generated a wealth of knowledge regarding the causes and consequences of crossnational variations in social trust. However, while some social science disciplines have made significant contributions to this conversation, others have largely failed to do so. The field of international relations, for example, has lagged behind in producing aggregate-level scholarship on social trust. This is surprisi…

  • How much terror? Dissidents, governments, institutions, and the cross-national study of terror attacks

    Open Access•Ryan Bakker, Daniel W Hill et al.•ARTICLE•Journal of Peace Research•2016•Cited by: 5•References: 82

    Our knowledge of the set of concepts that influence the number of terror attacks experienced by different countries is rudimentary. Existing work on the incidence of terror focuses upon the structural characteristics of polities, economies, and societies, and fails to place competition between dissidents and states center stage. It also tends to treat terror as isolated from other tactics that dissident groups might use to pressure the state. Thi…

  • Using Bayesian Aldrich‐McKelvey Scaling to Study Citizens' Ideological Preferences and Perceptions

    Open Access•Christopher Hare, David A Armstrong et al.•ARTICLE•American Journal of Political…•2015•Cited by: 103•References: 54

    Aldrich‐McKelvey scaling is a powerful method that corrects for differential‐item functioning (DIF) in estimating the positions of political stimuli (e.g., parties and candidates) and survey respondents along a latent policy dimension from issue scale data. DIF arises when respondents interpret issue scales (e.g., the standard liberal‐conservative scale) differently and distort their placements of the stimuli and themselves. We develop a Bayesian…

  • Anchoring the experts: Using vignettes to compare party ideology across countries

    Open Access•Ryan Bakker, Erica Edwards et al.•ARTICLE•Research & Politics•2014•Cited by: 9•References: 18

    Expert surveys are a valuable, commonly used instrument to measure party positions. Some critics question the cross-national comparability of these measures, though, suggesting that experts may lack a common anchor for fundamental concepts such as economic left–right. Using anchoring vignettes in the 2010 Chapel Hill Expert Survey, we examine the extent of cross-national difference in expert ideological placements. We find limited evidence of cro…

  • Let them eat cake: Food prices, domestic policy and social unrest

    Open Access•Joe Weinberg, Ryan Bakker•ARTICLE•Conflict Management and Peace…•2014•Cited by: 13•References: 21

    Recent price spikes in the international commodity markets have been blamed for numerous riots, protests and other forms of civil unrest. While these effects are widespread, they are not universal. In this article we investigate the relationship between food prices and social unrest. More specifically, we are concerned with the factors that make civil conflict more or less likely when food prices are elevated. We borrow from the extant literature…

  • Trust Matters: The Impact of Ingroup and Outgroup Trust on Nativism and Civicness

    Open Access•Markus M L Crepaz, Jonathan Polk et al.•ARTICLE•Social Science Quarterly•2014•Cited by: 14•References: 47

    Objectives The objectives of this study are threefold: first, we separate trust into a two‐dimensional concept: ingroup trust and outgroup trust. Second, we apply both types of trust to two dependent variables: nativism and civicness, hypothesizing that respondents with ingroup trust should display higher degrees of nativism and lower degrees of civicness while the opposite should apply to respondents with outgroup trust. Third, we control for th…

  • The European Common Space: Extending the Use of Anchoring Vignettes

    Ryan Bakker, Stephen Jolly et al.•ARTICLE•The Journal of Politics•2014•Cited by: 40•References: 37

    In this article, we combine advances in both survey research and scaling techniques to estimate a common dimension for political parties across the member states of the European Union. Most previous scholarship has either ignored or assumed cross-national comparability of party placements across a variety of dimensions. The 2010 wave of the Chapel Hill Expert Survey includes anchoring vignettes which we use as "bridge votes" to place parties from…

  • Bayesian Metric Multidimensional Scaling

    Open Access•Ryan Bakker, Keith T Poole•ARTICLE•Political Analysis•2013•Cited by: 4•References: 32

    In this article, we show how to apply Bayesian methods to noisy ratio scale distances for both the classical similarities problem as well as the unfolding problem. Bayesian methods produce essentially the same point estimates as the classical methods, but are superior in that they provide more accurate measures of uncertainty in the data. Identification is nontrivial for this class of problems because a configuration of points that reproduces the…

  • Betting the farm on high food prices: A consumer based approach to agriculture protection

    Open Access•Joe Weinberg, Ryan Bakker•ARTICLE•The Social Science Journal•2012•Cited by: 2•References: 20

    Our question is quite simple: If agriculture protectionism is a product of economic development, why is agriculture protected at such varying degrees by otherwise similarly developed countries? Previous attempts to fit agriculture into general models of trade policy formation have relied exclusively on producer demand for protection and merely assume the associated demand for lower prices that might come from consumers. Not surprisingly, these pr…

  • Measuring party positions in Europe: The Chapel Hill expert survey trend file, 1999–2010

    Open Access•Ryan Bakker, Catherine E De Vries et al.•ARTICLE•Party Politics•2012•Cited by: 448•References: 15

    This article reports on the 2010 Chapel Hill expert surveys (CHES) and introduces the CHES trend file, which contains measures of national party positioning on European integration, ideology and several European Union (EU) and non-EU policies for 1999−2010. We examine the reliability of expert judgments and cross-validate the 2010 CHES data with data from the Comparative Manifesto Project and the 2009 European Elections Studies survey, and explor…

  • Complexity in the European party space: Exploring dimensionality with experts

    Open Access•Ryan Bakker, Stephen Jolly et al.•ARTICLE•European Union Politics•2012•Cited by: 120•References: 43

    Does the n-issue space in domestic European polities reduce to one, two, or more dimensions? How do these dimensions relate to each other? More broadly, how does dimensionality vary across countries? We attempt to advance our understanding of political contestation in Europe by mapping the dimensionality of the political space across 24 countries using Chapel Hill expert survey (CHES) data. We test how well different models of the European politi…

Next
  • Measuring party positions in Europe: The Chapel Hill expert survey trend file, 1999–2010

    Open Access•Ryan Bakker, Catherine E De Vries et al.•ARTICLE•Party Politics•2012•Cited by: 448•References: 15

    This article reports on the 2010 Chapel Hill expert surveys (CHES) and introduces the CHES trend file, which contains measures of national party positioning on European integration, ideology and several European Union (EU) and non-EU policies for 1999−2010. We examine the reliability of expert judgments and cross-validate the 2010 CHES data with data from the Comparative Manifesto Project and the 2009 European Elections Studies survey, and explor…

  • Chapel Hill Expert Survey trend file, 1999-2019

    Open Access•Stephen Jolly, Ryan Bakker et al.•ARTICLE•Electoral Studies•2022•Cited by: 355•References: 23

  • Explaining the salience of anti-elitism and reducing political corruption for political parties in Europe with the 2014 Chapel Hill Expert Survey data

    Open Access•Jonathan Polk, Jan Rovny et al.•ARTICLE•Research & Politics•2017•Cited by: 236•References: 25

    This article addresses the variation of anti-corruption and anti-elite salience in party positioning across Europe. It demonstrates that while anti-corruption salience is primarily related to the (regional) context in which a party operates, anti-elite salience is primarily a function of party ideology. Extreme left and extreme conservative (TAN) parties are significantly more likely to emphasize anti-elite views. Through its use of the new 2014 …

  • Reliability and validity of the 2002 and 2006 Chapel Hill expert surveys on party positioning

    Open Access•Liesbet Hooghe, Ryan Bakker et al.•ARTICLE•European Journal of Political…•2010•Cited by: 235•References: 26

    This research note reports on the 2002 and 2006 Chapel Hill expert surveys (CHES), which measure national party positioning on European integration, ideology, and several European Union (EU) and non‐EU policies. The reliability of expert judgments is examined and the CHES data are cross‐validated with data from the Comparative Manifesto Project, the 2003 Benoit‐Laver expert survey and the 2002 Rohrschneider‐Whitefield survey. The dataset is avail…

  • Crossvalidating data on party positioning on European integration

    Open Access•Gary Marks, Liesbet Hooghe et al.•ARTICLE•Electoral Studies•2007•Cited by: 138•References: 16

  • Complexity in the European party space: Exploring dimensionality with experts

    Open Access•Ryan Bakker, Stephen Jolly et al.•ARTICLE•European Union Politics•2012•Cited by: 120•References: 43

    Does the n-issue space in domestic European polities reduce to one, two, or more dimensions? How do these dimensions relate to each other? More broadly, how does dimensionality vary across countries? We attempt to advance our understanding of political contestation in Europe by mapping the dimensionality of the political space across 24 countries using Chapel Hill expert survey (CHES) data. We test how well different models of the European politi…

  • Using Bayesian Aldrich‐McKelvey Scaling to Study Citizens' Ideological Preferences and Perceptions

    Open Access•Christopher Hare, David A Armstrong et al.•ARTICLE•American Journal of Political…•2015•Cited by: 103•References: 54

    Aldrich‐McKelvey scaling is a powerful method that corrects for differential‐item functioning (DIF) in estimating the positions of political stimuli (e.g., parties and candidates) and survey respondents along a latent policy dimension from issue scale data. DIF arises when respondents interpret issue scales (e.g., the standard liberal‐conservative scale) differently and distort their placements of the stimuli and themselves. We develop a Bayesian…

  • The European Common Space: Extending the Use of Anchoring Vignettes

    Ryan Bakker, Stephen Jolly et al.•ARTICLE•The Journal of Politics•2014•Cited by: 40•References: 37

    In this article, we combine advances in both survey research and scaling techniques to estimate a common dimension for political parties across the member states of the European Union. Most previous scholarship has either ignored or assumed cross-national comparability of party placements across a variety of dimensions. The 2010 wave of the Chapel Hill Expert Survey includes anchoring vignettes which we use as "bridge votes" to place parties from…

  • Multidimensional incongruence, political disaffection, and support for anti-establishment parties

    Ryan Bakker, Stephen Jolly et al.•ARTICLE•Journal of European Public Policy•2020•Cited by: 34•References: 52

    To what extent do representational gaps between parties and voters destabilise party systems and create electoral opportunities for anti-establishment parties on the left and right? In this paper, we use multiple measures of party-partisan incongruence to evaluate whether issue-level incongruence contributes to an increase of political disaffection and anti-establishment politics. For this analysis, we use data from the Chapel Hill Expert Survey …

  • Contesting Covid: The ideological bases of partisan responses to the Covid‐19 pandemic

    Open Access•Jan Rovny, Ryan Bakker et al.•ARTICLE•European Journal of Political…•2022•Cited by: 28•References: 28

    How do political parties respond to external shocks? Using an original survey of political parties across Europe conducted in June 2020 and Chapel Hill Expert Survey (CHES) data on partisan ideological positioning, we argue that the pre‐existing ideological stances of Europe's political parties shaped their response to emerging Covid‐19 policy issues, including the tension between economic normalization and containment, legal versus voluntary enf…

  • The Development of the Urban-Rural Cleavage in Anglo-American Democracies

    Open Access•Zak Taylor, J Lucas et al.•ARTICLE•Comparative Political Studies•2024•Cited by: 26•References: 90

    We provide a mixed-methods, comparative analysis of the development of the urban-rural electoral cleavage in Canada, Great Britain, and the United States from the early 20th century to the present. Using aggregate election results, electoral district boundary files, and electoral district population measures, we construct a new comparable dataset of district election results and urbanity for the lower house of the legislature in each country. We …

  • Revisiting party system structuration in Latin America and Europe: Economic and socio-cultural dimensions

    Open Access•Cecilia Martínez‐gallardo, Nicolás De La Cerda et al.•ARTICLE•Party Politics•2023•Cited by: 26•References: 33

    The degree to which party systems are ideologically and programmatically structured is central to democracy. This article analyzes differences in the extent and nature of programmatic structuration in Latin America and Europe, using a new original data source, the Chapel Hill Expert Survey-Latin America (CHES-LA), in combination with the long-standing CHES-Europe. First, we demonstrate the reliability of CHES-LA in relation to CHES-Europe, and su…

  • The Russian threat and the consolidation of the West: How populism and EU-skepticism shape party support for Ukraine

    Open Access•Liesbet Hooghe, Gary Marks et al.•ARTICLE•European Union Politics•2024•Cited by: 21•References: 47

    Support for Ukraine against Russian aggression has been strong across Europe, but it is far from uniform. An expert survey of the positions taken by political parties in 29 countries conducted mid-2023 reveals that 97 of 269 parties reject one or more of the following: providing weapons, hosting refugees, supporting Ukraine's path to European Union membership, or accepting higher energy costs. Where the perceived threat from Russia is most severe…

  • Multidimensional incongruence and vote switching in Europe

    Open Access•Ryan Bakker, Stephen Jolly et al.•ARTICLE•Public Choice•2018•Cited by: 19•References: 66

  • Trust Matters: The Impact of Ingroup and Outgroup Trust on Nativism and Civicness

    Open Access•Markus M L Crepaz, Jonathan Polk et al.•ARTICLE•Social Science Quarterly•2014•Cited by: 14•References: 47

    Objectives The objectives of this study are threefold: first, we separate trust into a two‐dimensional concept: ingroup trust and outgroup trust. Second, we apply both types of trust to two dependent variables: nativism and civicness, hypothesizing that respondents with ingroup trust should display higher degrees of nativism and lower degrees of civicness while the opposite should apply to respondents with outgroup trust. Third, we control for th…

  • Let them eat cake: Food prices, domestic policy and social unrest

    Open Access•Joe Weinberg, Ryan Bakker•ARTICLE•Conflict Management and Peace…•2014•Cited by: 13•References: 21

    Recent price spikes in the international commodity markets have been blamed for numerous riots, protests and other forms of civil unrest. While these effects are widespread, they are not universal. In this article we investigate the relationship between food prices and social unrest. More specifically, we are concerned with the factors that make civil conflict more or less likely when food prices are elevated. We borrow from the extant literature…

  • Analyzing the cross-national comparability of party positions on the socio-cultural and EU dimensions in Europe

    Open Access•Ryan Bakker, Stephen Jolly et al.•ARTICLE•Political Science Research and…•2022•Cited by: 12•References: 29

    Using survey vignettes and scaling techniques, we estimate common socio-cultural and European integration dimensions for political parties across the member states of the European Union. Previous research shows that party placements on the economic left-right dimension are cross-nationally comparable across the EU; however, the socio-cultural dimension is more complex, with different issues forming the core of the dimension in different countries…

  • The Israeli parties' positions in comparative perspective

    Open Access•Roi Zur, Ryan Bakker•ARTICLE•Party Politics•2025•Cited by: 10•References: 25

    The multidimensionality of the Israeli political system is expected given Israel’s electoral system and cleavage structure. We introduce a new dataset and measurement of party positions in Israel and provide evidence that Israel’s party system is comparable to other multiparty systems in Europe (CHES-EU) and Latin America (CHES-LA). We argue and provide evidence that the most important dimension in the Israeli party system, similar to other multi…

  • The 2024 Chapel Hill Expert Survey on political party positioning in Europe: Twenty-five years of party positional data

    Open Access•Jan Rovny, Jonathan Polk et al.•ARTICLE•Electoral Studies•2025•Cited by: 9•References: 23

  • Anchoring the experts: Using vignettes to compare party ideology across countries

    Open Access•Ryan Bakker, Erica Edwards et al.•ARTICLE•Research & Politics•2014•Cited by: 9•References: 18

    Expert surveys are a valuable, commonly used instrument to measure party positions. Some critics question the cross-national comparability of these measures, though, suggesting that experts may lack a common anchor for fundamental concepts such as economic left–right. Using anchoring vignettes in the 2010 Chapel Hill Expert Survey, we examine the extent of cross-national difference in expert ideological placements. We find limited evidence of cro…

  • Re-measuring left-right: A comparison of SEM and Bayesian measurement models for extracting left-right party placements

    Open Access•Ryan Bakker•ARTICLE•Electoral Studies•2009•Cited by: 9•References: 21

  • Using practitioner surveys to measure human rights: The Human Rights Measurement Initiative's civil and political rights metrics

    Open Access•K Chad Clay, Ryan Bakker et al.•ARTICLE•Journal of Peace Research•2020•Cited by: 8•References: 19

    Most cross-national datasets of civil and political rights practices have relied on internationally distributed English language secondary sources as the core source of information for their metrics. This approach has yielded data that are highly reliable, but also suffer from the fact that their information sources under-represent the overall level of abuse internationally and do so in a way that is biased across countries. The combined knowledg…

  • Bridging the pond: Measuring policy positions in the United States and Europe

    Open Access•Cory L Struthers, Christopher Hare et al.•ARTICLE•Political Science Research and…•2020•Cited by: 6•References: 48

    Recent work has pioneered the use of expert surveys to estimate cross-national party positions in a common ideological space. In this paper, we report findings from an original dataset designed to evaluate bridging strategies between European and American party placements. Specifically, we compare the use of “anchoring vignettes” (fictional party platforms) with an alternative approach that asks comparativist scholars who live in the US (whom we …

  • How much terror? Dissidents, governments, institutions, and the cross-national study of terror attacks

    Open Access•Ryan Bakker, Daniel W Hill et al.•ARTICLE•Journal of Peace Research•2016•Cited by: 5•References: 82

    Our knowledge of the set of concepts that influence the number of terror attacks experienced by different countries is rudimentary. Existing work on the incidence of terror focuses upon the structural characteristics of polities, economies, and societies, and fails to place competition between dissidents and states center stage. It also tends to treat terror as isolated from other tactics that dissident groups might use to pressure the state. Thi…

  • Bayesian Metric Multidimensional Scaling

    Open Access•Ryan Bakker, Keith T Poole•ARTICLE•Political Analysis•2013•Cited by: 4•References: 32

    In this article, we show how to apply Bayesian methods to noisy ratio scale distances for both the classical similarities problem as well as the unfolding problem. Bayesian methods produce essentially the same point estimates as the classical methods, but are superior in that they provide more accurate measures of uncertainty in the data. Identification is nontrivial for this class of problems because a configuration of points that reproduces the…

  • White women and affirmative action in employment in six southern cities

    Open Access•James W Button, James Button et al.•ARTICLE•The Social Science Journal•2006•Cited by: 1•References: 2

    The purpose of this research is to examine data from 167 randomly selected businesses on the impact of affirmative action and white female employment in six representative Florida cities. OLS regression analysis was used to explore the independent effects of affirmative action among other employment-related predictors. While white women are doing relatively well in the job market, employer support for affirmative action has no significant influen…

  • Crossvalidating data on party positioning on European integration

    Open Access•Gary Marks, Liesbet Hooghe et al.•ARTICLE•Electoral Studies•2007•Cited by: 138•References: 16

  • Re-measuring left-right: A comparison of SEM and Bayesian measurement models for extracting left-right party placements

    Open Access•Ryan Bakker•ARTICLE•Electoral Studies•2009•Cited by: 9•References: 21

  • Reliability and validity of the 2002 and 2006 Chapel Hill expert surveys on party positioning

    Open Access•Liesbet Hooghe, Ryan Bakker et al.•ARTICLE•European Journal of Political…•2010•Cited by: 235•References: 26

    This research note reports on the 2002 and 2006 Chapel Hill expert surveys (CHES), which measure national party positioning on European integration, ideology, and several European Union (EU) and non‐EU policies. The reliability of expert judgments is examined and the CHES data are cross‐validated with data from the Comparative Manifesto Project, the 2003 Benoit‐Laver expert survey and the 2002 Rohrschneider‐Whitefield survey. The dataset is avail…

  • Betting the farm on high food prices: A consumer based approach to agriculture protection

    Open Access•Joe Weinberg, Ryan Bakker•ARTICLE•The Social Science Journal•2012•Cited by: 2•References: 20

    Our question is quite simple: If agriculture protectionism is a product of economic development, why is agriculture protected at such varying degrees by otherwise similarly developed countries? Previous attempts to fit agriculture into general models of trade policy formation have relied exclusively on producer demand for protection and merely assume the associated demand for lower prices that might come from consumers. Not surprisingly, these pr…

  • Measuring party positions in Europe: The Chapel Hill expert survey trend file, 1999–2010

    Open Access•Ryan Bakker, Catherine E De Vries et al.•ARTICLE•Party Politics•2012•Cited by: 448•References: 15

    This article reports on the 2010 Chapel Hill expert surveys (CHES) and introduces the CHES trend file, which contains measures of national party positioning on European integration, ideology and several European Union (EU) and non-EU policies for 1999−2010. We examine the reliability of expert judgments and cross-validate the 2010 CHES data with data from the Comparative Manifesto Project and the 2009 European Elections Studies survey, and explor…

  • Complexity in the European party space: Exploring dimensionality with experts

    Open Access•Ryan Bakker, Stephen Jolly et al.•ARTICLE•European Union Politics•2012•Cited by: 120•References: 43

    Does the n-issue space in domestic European polities reduce to one, two, or more dimensions? How do these dimensions relate to each other? More broadly, how does dimensionality vary across countries? We attempt to advance our understanding of political contestation in Europe by mapping the dimensionality of the political space across 24 countries using Chapel Hill expert survey (CHES) data. We test how well different models of the European politi…

  • Bayesian Metric Multidimensional Scaling

    Open Access•Ryan Bakker, Keith T Poole•ARTICLE•Political Analysis•2013•Cited by: 4•References: 32

    In this article, we show how to apply Bayesian methods to noisy ratio scale distances for both the classical similarities problem as well as the unfolding problem. Bayesian methods produce essentially the same point estimates as the classical methods, but are superior in that they provide more accurate measures of uncertainty in the data. Identification is nontrivial for this class of problems because a configuration of points that reproduces the…

  • Anchoring the experts: Using vignettes to compare party ideology across countries

    Open Access•Ryan Bakker, Erica Edwards et al.•ARTICLE•Research & Politics•2014•Cited by: 9•References: 18

    Expert surveys are a valuable, commonly used instrument to measure party positions. Some critics question the cross-national comparability of these measures, though, suggesting that experts may lack a common anchor for fundamental concepts such as economic left–right. Using anchoring vignettes in the 2010 Chapel Hill Expert Survey, we examine the extent of cross-national difference in expert ideological placements. We find limited evidence of cro…

  • Let them eat cake: Food prices, domestic policy and social unrest

    Open Access•Joe Weinberg, Ryan Bakker•ARTICLE•Conflict Management and Peace…•2014•Cited by: 13•References: 21

    Recent price spikes in the international commodity markets have been blamed for numerous riots, protests and other forms of civil unrest. While these effects are widespread, they are not universal. In this article we investigate the relationship between food prices and social unrest. More specifically, we are concerned with the factors that make civil conflict more or less likely when food prices are elevated. We borrow from the extant literature…

  • Trust Matters: The Impact of Ingroup and Outgroup Trust on Nativism and Civicness

    Open Access•Markus M L Crepaz, Jonathan Polk et al.•ARTICLE•Social Science Quarterly•2014•Cited by: 14•References: 47

    Objectives The objectives of this study are threefold: first, we separate trust into a two‐dimensional concept: ingroup trust and outgroup trust. Second, we apply both types of trust to two dependent variables: nativism and civicness, hypothesizing that respondents with ingroup trust should display higher degrees of nativism and lower degrees of civicness while the opposite should apply to respondents with outgroup trust. Third, we control for th…

  • The European Common Space: Extending the Use of Anchoring Vignettes

    Ryan Bakker, Stephen Jolly et al.•ARTICLE•The Journal of Politics•2014•Cited by: 40•References: 37

    In this article, we combine advances in both survey research and scaling techniques to estimate a common dimension for political parties across the member states of the European Union. Most previous scholarship has either ignored or assumed cross-national comparability of party placements across a variety of dimensions. The 2010 wave of the Chapel Hill Expert Survey includes anchoring vignettes which we use as "bridge votes" to place parties from…

  • Using Bayesian Aldrich‐McKelvey Scaling to Study Citizens' Ideological Preferences and Perceptions

    Open Access•Christopher Hare, David A Armstrong et al.•ARTICLE•American Journal of Political…•2015•Cited by: 103•References: 54

    Aldrich‐McKelvey scaling is a powerful method that corrects for differential‐item functioning (DIF) in estimating the positions of political stimuli (e.g., parties and candidates) and survey respondents along a latent policy dimension from issue scale data. DIF arises when respondents interpret issue scales (e.g., the standard liberal‐conservative scale) differently and distort their placements of the stimuli and themselves. We develop a Bayesian…

  • How much terror? Dissidents, governments, institutions, and the cross-national study of terror attacks

    Open Access•Ryan Bakker, Daniel W Hill et al.•ARTICLE•Journal of Peace Research•2016•Cited by: 5•References: 82

    Our knowledge of the set of concepts that influence the number of terror attacks experienced by different countries is rudimentary. Existing work on the incidence of terror focuses upon the structural characteristics of polities, economies, and societies, and fails to place competition between dissidents and states center stage. It also tends to treat terror as isolated from other tactics that dissident groups might use to pressure the state. Thi…

  • Explaining the salience of anti-elitism and reducing political corruption for political parties in Europe with the 2014 Chapel Hill Expert Survey data

    Open Access•Jonathan Polk, Jan Rovny et al.•ARTICLE•Research & Politics•2017•Cited by: 236•References: 25

    This article addresses the variation of anti-corruption and anti-elite salience in party positioning across Europe. It demonstrates that while anti-corruption salience is primarily related to the (regional) context in which a party operates, anti-elite salience is primarily a function of party ideology. Extreme left and extreme conservative (TAN) parties are significantly more likely to emphasize anti-elite views. Through its use of the new 2014 …

  • Measuring social trust and trusting the measure

    Open Access•Florian Justwan, Ryan Bakker et al.•ARTICLE•The Social Science Journal•2017•Cited by: 1•References: 29

    Decades of rigorous quantitative scholarship have generated a wealth of knowledge regarding the causes and consequences of crossnational variations in social trust. However, while some social science disciplines have made significant contributions to this conversation, others have largely failed to do so. The field of international relations, for example, has lagged behind in producing aggregate-level scholarship on social trust. This is surprisi…

  • Multidimensional incongruence and vote switching in Europe

    Open Access•Ryan Bakker, Stephen Jolly et al.•ARTICLE•Public Choice•2018•Cited by: 19•References: 66

  • Bridging the pond: Measuring policy positions in the United States and Europe

    Open Access•Cory L Struthers, Christopher Hare et al.•ARTICLE•Political Science Research and…•2020•Cited by: 6•References: 48

    Recent work has pioneered the use of expert surveys to estimate cross-national party positions in a common ideological space. In this paper, we report findings from an original dataset designed to evaluate bridging strategies between European and American party placements. Specifically, we compare the use of “anchoring vignettes” (fictional party platforms) with an alternative approach that asks comparativist scholars who live in the US (whom we …

  • Multidimensional incongruence, political disaffection, and support for anti-establishment parties

    Ryan Bakker, Stephen Jolly et al.•ARTICLE•Journal of European Public Policy•2020•Cited by: 34•References: 52

    To what extent do representational gaps between parties and voters destabilise party systems and create electoral opportunities for anti-establishment parties on the left and right? In this paper, we use multiple measures of party-partisan incongruence to evaluate whether issue-level incongruence contributes to an increase of political disaffection and anti-establishment politics. For this analysis, we use data from the Chapel Hill Expert Survey …

  • Using practitioner surveys to measure human rights: The Human Rights Measurement Initiative's civil and political rights metrics

    Open Access•K Chad Clay, Ryan Bakker et al.•ARTICLE•Journal of Peace Research•2020•Cited by: 8•References: 19

    Most cross-national datasets of civil and political rights practices have relied on internationally distributed English language secondary sources as the core source of information for their metrics. This approach has yielded data that are highly reliable, but also suffer from the fact that their information sources under-represent the overall level of abuse internationally and do so in a way that is biased across countries. The combined knowledg…

  • Analyzing the cross-national comparability of party positions on the socio-cultural and EU dimensions in Europe

    Open Access•Ryan Bakker, Stephen Jolly et al.•ARTICLE•Political Science Research and…•2022•Cited by: 12•References: 29

    Using survey vignettes and scaling techniques, we estimate common socio-cultural and European integration dimensions for political parties across the member states of the European Union. Previous research shows that party placements on the economic left-right dimension are cross-nationally comparable across the EU; however, the socio-cultural dimension is more complex, with different issues forming the core of the dimension in different countries…

  • Contesting Covid: The ideological bases of partisan responses to the Covid‐19 pandemic

    Open Access•Jan Rovny, Ryan Bakker et al.•ARTICLE•European Journal of Political…•2022•Cited by: 28•References: 28

    How do political parties respond to external shocks? Using an original survey of political parties across Europe conducted in June 2020 and Chapel Hill Expert Survey (CHES) data on partisan ideological positioning, we argue that the pre‐existing ideological stances of Europe's political parties shaped their response to emerging Covid‐19 policy issues, including the tension between economic normalization and containment, legal versus voluntary enf…

  • Chapel Hill Expert Survey trend file, 1999-2019

    Open Access•Stephen Jolly, Ryan Bakker et al.•ARTICLE•Electoral Studies•2022•Cited by: 355•References: 23

  • Revisiting party system structuration in Latin America and Europe: Economic and socio-cultural dimensions

    Open Access•Cecilia Martínez‐gallardo, Nicolás De La Cerda et al.•ARTICLE•Party Politics•2023•Cited by: 26•References: 33

    The degree to which party systems are ideologically and programmatically structured is central to democracy. This article analyzes differences in the extent and nature of programmatic structuration in Latin America and Europe, using a new original data source, the Chapel Hill Expert Survey-Latin America (CHES-LA), in combination with the long-standing CHES-Europe. First, we demonstrate the reliability of CHES-LA in relation to CHES-Europe, and su…

  • The Russian threat and the consolidation of the West: How populism and EU-skepticism shape party support for Ukraine

    Open Access•Liesbet Hooghe, Gary Marks et al.•ARTICLE•European Union Politics•2024•Cited by: 21•References: 47

    Support for Ukraine against Russian aggression has been strong across Europe, but it is far from uniform. An expert survey of the positions taken by political parties in 29 countries conducted mid-2023 reveals that 97 of 269 parties reject one or more of the following: providing weapons, hosting refugees, supporting Ukraine's path to European Union membership, or accepting higher energy costs. Where the perceived threat from Russia is most severe…

Political science (26 works) · Electoral Systems and Political Participation (22 works) · Law (22 works) · Law (18 works) · Economics (16 works) · Politics (16 works) · Computer Science (14 works) · Sociology (14 works) · Social Policy and Reform Studies (11 works) · Ideology (10 works)

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