Forecasting the decisions of the US Supreme Court: lessons from the ‘affordable care act’ judgment

This paper examines the 2012 US Supreme Court consideration of the Affordable Care Act, and the resulting judgment, with a view to learning what lessons this landmark case can afford us into the way in which the US Supreme Court works, so helping us forecast its decisions. Although this is simply one judgment among many, a case is advanced here that the details of the way that the judgment was made can be used to help arbitrate between conflicting interpretations in the literature as to the way that the US Supreme Court reaches its decisions. It is argued that consideration of this case does provide particular insights which might usefully improve forecasts of future Supreme Court decisions.

[1]  Koleman Strumpf,et al.  The Long History of Political Betting Markets: An International Perspective , 2013 .

[2]  David J. S. Ziff.  Ryan A. Malphurs, Rhetoric and Discourse in Supreme Court Oral Arguments: Sensemaking in Judicial Decisions (Book Review) , 2013 .

[3]  John M. Hunt.  The Conclave from the “Outside In”: Rumor, Speculation, and Disorder in Rome during Early Modern Papal Elections* , 2012 .

[4]  Michael A. Bailey,et al.  The Constrained Court: Law, Politics, and the Decisions Justices Make , 2011 .

[5]  Josh Blackman,et al.  FantasySCOTUS: Crowdsourcing a Prediction Market for the Supreme Court , 2011 .

[6]  Jerry Goldman,et al.  Emotions, Oral Arguments, and Supreme Court Decision Making , 2011 .

[7]  Corey Rayburn Yung.  Judged by the Company You Keep: An Empirical Study of the Ideologies of Judges on the United States Courts of Appeals , 2010 .

[8]  Richard A. Posner,et al.  Inferring the Winning Party in the Supreme Court from the Pattern of Questioning at Oral Argument , 2010, The Journal of Legal Studies.

[9]  Koleman Strumpf,et al.  Historical Political Futures Markets: An International Perspective , 2008 .

[10]  Michael A. Bailey,et al.  Does Legal Doctrine Matter? Unpacking Law and Policy Preferences on the U.S. Supreme Court , 2008, American Political Science Review.

[11]  Marcel Zeelenberg,et al.  On emotion specificity in decision making: Why feeling is for doing , 2008, Judgment and Decision Making.

[12]  W. Farnsworth.  The Use and Limits of Martin-Quinn Scores to Assess Supreme Court Justices, with Special Attention to the Problem of Ideological Drift , 2007 .

[13]  Michael A. Bailey.  Comparable Preference Estimates across Time and Institutions for the Court, Congress, and Presidency , 2007 .

[14]  Andrew D. Martin,et al.  Assessing Preference Change on the US Supreme Court , 2007 .

[15]  Miriam A. Cherry,et al.  Tiresias and the Justices: Using Information Markets to Predict Supreme Court Decisions , 2006 .

[16]  John G. Roberts.  Oral Advocacy and the Re‐emergence of a Supreme Court Bar , 2005, Journal of Supreme Court History.

[17]  Andrew D. Martin,et al.  Competing Approaches to Predicting Supreme Court Decision Making , 2004, Perspectives on Politics.

[18]  Andrew D. Martin,et al.  The Supreme Court Forecasting Project: Legal and Political Science Approaches to Predicting Supreme Court Decisionmaking , 2004 .

[19]  Koleman Strumpf,et al.  Historical presidential betting markets , 2004 .

[20]  James A. Stimson.  Tides of consent : how public opinion shapes American politics , 2004 .

[21]  Andrew D. Martin,et al.  Supreme Court Forecasting Project: Legal and Political Science Approaches to Supreme Court Decision-Making , 2004 .

[22]  Andrew D. Martin,et al.  Dynamic Ideal Point Estimation via Markov Chain Monte Carlo for the U.S. Supreme Court, 1953–1999 , 2002, Political Analysis.

[23]  James A. Stimson.  Public Opinion In America: Moods, Cycles, And Swings, Second Edition , 1999 .

[24]  Jeffrey A. Segal,et al.  The Supreme Court and the Attitudinal Model Revisited , 1993 .

[25]  Cynthia Whissell,et al.  THE DICTIONARY OF AFFECT IN LANGUAGE , 1989 .

[26]  F. Baumgartner.  Henry II and the papal Conclave of 1549 , 1985 .

[27]  H. Thoreau,et al.  The Variorum Civil Disobedience , 1967 .