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Government-Opposition or Left-Right? The Institutional Determinants of Voting in Legislatures*


This study uses roll-call voting data from 16 legislatures to investigate how the institutional context of politics—such as whether a country is a parliamentary or presidential regime, or has a single-party, coalition or minority government—shapes coalition formation and voting behavior in parliaments. It uses a geometric scaling metric to estimate the “revealed space” in each of these legislatures and a vote-by-vote statistical analysis to identify how much of this space can be explained by government-opposition dynamics as opposed to parties’ (left-right) policy positions. Government-opposition interests, rather than parties’ policy positions, are found to be the main drivers of voting behavior in most institutional contexts. In contrast, issue-by-issue coalition building along a single policy dimension is only found under certain restrictive institutional constraints: presidential regimes with coalition governments or parliamentary systems with minority governments. Put another way, voting in most legislatures is more like Westminster than Washington.

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London School of Economics and Political Science; New York University Abu Dhabi. We would like to thank Gary Cox, Brian Crisp, John Carey, Torun Dewan, John Huber, Amie Kreppel, Nolan McCarty, Slava Mikhaylov and seminar participants at LSE, Princeton, the University of Tokyo, and the European Political Science Association 2011 Conference for helpful comments. All the remaining errors are our own. We are also grateful to John Carey, Scott Desposato, Keith Poole, Yael Shomer, Elena Mielcova and the Voteworld project for sharing their data or making their data publicly available.

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Josephine T. Andrews 2002. When Majorities Fail: The Russian Parliament, 1990–1993. Cambridge: Cambridge University Press.

Giacomo Benedetto , and Simon Hix . 2007. ‘The Rejected, the Dejected and the Ejected: Explaining Government Rebels in the 2001–2005 British House of Commons’. Comparative Political Studies 40:755781.

Kenneth Benoit , Michael Laver , and Slava Mikhaylov . 2009. ‘Treating Words as Data with Error: Uncertainty in Text Statements of Policy Positions’. American Journal of Political Science 53(2):495513.

Duncan Black . 1948. ‘On the Rationale of Group Decision-Making’. Journal of Political Economy 56:2334.

John M. Carey 2007a. Competing Principals, Political Institutions, and Party Unity in Legislative Voting’. American Journal of Political Science 51:92107.

John M. Carey , and Matthew S. Shugart . 1995. ‘Incentives to Cultivate a Personal Vote: A Rank Ordering of Electoral Formulas’. Electoral Studies 14:417439.

Raymond J. Carroll , David Ruppert , Leonard A. Stefanski , and Ciprian M. Crainiceanu . 2006. Measurement Error in Nonlinear Models: A Modern Perspective, Monographs on Statistics and Applied Probability Number 105, 2nd ed.Boca Raton, FL: Chapman and Hall/CRC.

Royce Carroll , James Lo , Jeffrey Lewis , Keith Poole , and Howard Rosenthal . 2009. ‘Comparing NOMINATE and IDEAL: Points of Difference and Monte Carlo Tests’. Legislative Studies Quarterly 34:555591.

Joshua Clinton , and Simon Jackman . 2009. ‘To Simulate or to NOMINATE’? Legislative Studies Quarterly 34:593621.

Gary W. Cox , and Mathew D. McCubbins . 2005. Setting the Agenda: Responsible Party Government in the US House of Representatives. Cambridge: Cambridge University Press.

Gary W. Cox , Mikitaka Masuyama , and Mathew D. McCubbins . 2000. ‘Agenda Power in the Japanese House of Representatives’. Japanese Journal of Political Science 1:122.

Herbert Döring . 2001. ‘Parliamentary Agenda Control and Legislative Outcomes in Western Europe’. Legislative Studies Quarterly 26:145165.

Federico Ferrara . 2004. ‘Frogs, Mice, and Mixed Electoral Institutions’. Journal of Legislative Studies 10:122.

Argelina Figueiredo , and Fernando Limongi . 2000. ‘Presidential Power, Legislative Organization, and Party Behavior in Brazil’. Comparative Politics 32:151170.

Simon Hix , Abdul Noury , and Gérard Roland . 2006. ‘Dimensions of Politics in the European Parliament’. American Journal of Political Science 50:494511.

Simon Hix , Abdul Noury , and Gérard Roland . 2007. Democratic Politics in the European Parliament. Cambridge: Cambridge University Press.

Simon Hug , and Tobias Schulz . 2007. ‘Left-Right Positions of Political Parties Switzerland’. Party Politics 13:305330.

Christopher J. Kam 2009. Party Discipline and Parliamentary Politics. Cambridge: Cambridge University Press.

Keith Krehbiel . 1998. Pivotal Politics: A Theory of U.S. Lawmaking. Chicago, IL: University of Chicago Press.

Michael Laver , and Kenneth Shepsle . 1996. Making and Breaking Governments. Cambridge: Cambridge University Press.

John B. Londregan 2000. Legislative Institutions and Ideology in Chile. Cambridge: Cambridge University Press.

Mikhail G. Myagkov , and D. Roderick Kiewiet . 1996. ‘Czar Rule in the Russian Congress of People’s Deputies’? Legislative Studies Quarterly 21:340.

Keith T. Poole 2005. Spatial Models of Parliamentary Voting. Cambridge: Cambridge University Press.

Stuart A Rice . 1925. ‘The Behavior of Legislative Groups’. Political Science Quarterly 40:6072.

Thomas Romer , and Howard Rosenthal . 1978. ‘Political Resource Allocation, Controlled Agendas, and the Status Quo’. Public Choice 33:2743.

Howard Rosenthal , and Erik Voeten . 2004. ‘Analyzing Roll Calls with Perfect Spatial Voting’. American Journal of Political Science 48:620632.

Thomas Saalfeld . 1990. ‘The West German Bundestag After 40 Years’. West European Politics 13:6889.

David J. Samuels , and Matthew S. Shugart . 2010. Presidents, Parties, and Prime Ministers: How the Separation of Powers Affects Party Organization and Behavior. Cambridge: Cambridge University Press.

Kenneth A. Shepsle 1979. ‘Institutional Arrangements and Equilibrium in Multidimensional Voting Models’. American Journal of Political Science 23:2759.

Kenneth A. Shepsle , and Barry R. Weingast . 1981. ‘Structure Induced Equilibrium in Legislative Choice’. Public Choice 37:509519.

Asbjørn Skjaeveland . 1999. ‘A Danish Party Cohesion Cycle’. Scandinavian Political Studies 22:121136.

Asbjørn Skjaeveland . 2001. ‘Party Cohesion in the Danish Parliament’. Journal of Legislative Studies 7:3556.

Arthur Spirling , and Iain McLean . 2007. ‘UK OC OK? Interpreting Optimal Classification Scores for the U.K. House of Commons’. Political Analysis 15:8596.

Nils Stjernquist , and Bo Bjurulf . 1970. ‘Party Cohesion and Party Cooperation in the Swedish Parliament in 1964 and 1966’. Scandinavian Political Studies 5:129164.

George Tsebelis . 2002. Veto Players: How Political Institutions Work. Princeton, NJ: Princeton University Press.

Cesar Zucco , and Benjamin E. Lauderdale . 2011. ‘Distinguishing Between Influences on Brazilian Legislative Behavior’. Legislative Studies Quarterly 36:363396.

Joshua D Clinton . 2007. ‘Lawmaking and roll calls’. Journal of Politics 69:457469.

Abdul Noury , and Gerard Roland . 2002. ‘European Parliament: Should it Have More Power?’. Economic Policy 17:279319.

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Political Science Research and Methods
  • ISSN: 2049-8470
  • EISSN: 2049-8489
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