Virtual Conference on Social Choice Theory and Applications

February 5 - 6, 2021


Keynote speaker: Steven Brams (NYU - Political Science, past president of Public Choice Society)
“Political Engineering: Reflections of a Reformer”

The full program is posted below using Eastern Standard Time. There will be three sessions each day plus the keynote address Friday morning. The conference will be entirely remote through zoom.

Registration (free) for those not on the program is now open through February 4, 5:30PM and is required in order to receive the conference attendance link. Upon registration, you are welcome to attend as many or as few sessions as desired.

Registration now closed



PROGRAM

Friday, February 5, 2021

[9:25AM - 9:30AM]
opening remarks
  Jac C. Heckelman (Wake Forest University, USA)


[9:30AM - 10:30AM]
Keynote Address

  Political Engineering: Reflections of a Reformer
   Steven Brams (New York University, USA)


[10:45AM - 12:30PM]
Probabilistic Social Choice
Chair: Keith L. Dougherty (University of Georgia, USA)

   Majority Properties of Positional Social Preference Correspondences
   Mostapha Diss (University of Franche-Comté, France) and Michele Gori (University of Florence, Italy)
   Discussant: Florenz Plassmann (Ohio University, USA)

  Exact Condorcet Efficiency of the Plurality Rule with Five Candidates
  Mostapha Diss (University of Franche-Comté, France), Abdelhalim El Ouafdi (University of Lyon Saint-Etienne, France), Issofa Moyouwou (University of Yaoundé, Cameroon), and Hatem Smaoui (University of La Ré, France)
  Discussant: Maurice Salles (University of Caen Normandie, France)

  The U.S. Electoral College and the Probability of Disputable Outcomes Under Direct and Indirect Elections  
  Vincent Merlin (CNRS and University of Caen Normandie, France) and Jack H. Nagel (University of Pennsylvania, USA)
  Discussant: Nicholas R. Miller (University of Maryland Baltimore County, USA)

  Statistical Inference in Social Choice
  Michel Regenwetter (University of Illinois at Urbana-Champaign, USA) and Yu (Rain) Huang (University of Illinois at Urbana-Champaign, USA)
  Discussant: Dominique Lepelley (University of La Réunion, France)


[12:30PM - 1:00PM]
break


[1:00PM - 2:30PM]
Comparing Voting Rules
Chair: Florenz Plassmann (Ohio University, USA)

  Primacy Effects in Proportional Representation and Single-member District Elections: Evidence from a Natural Experiment in Polish Local Elections
  Jarosław Flis (Jagiellonian University, Poland) and Marek Kaminski (University of California - Irvine, USA)
  Discussant: Royce Carroll (University of Essex, England)

  Relative Efficiency of Plurality and Borda for Majoritarian Principals
  Jac C. Heckelman (Wake Forest University, USA) and Robi Ragan (Mercer University, USA)
  Discussant: James Green-Armytage (New Jersey State Treasury, USA)

  Two-Stage Majoritarian Choice
  Sean Horan (University of Montreal, Canada) and Yves Sprumont (Deakin University, Australia)
  Discussant: Ashley Piggins (National University of Ireland Galway, Ireland)


[2:45PM - 4:15PM]
Presidential Elections  
Chair: Sean Horan (University of Montreal, Canada)

  The 2016 Election Inversion in Historical and Theoretical Perspective
  Nicholas R. Miller (University of Maryland Baltimore County, USA)
  Discussant: Michael Geruso (University of Texas, USA)

  Identifying Voter Preferences Through Two-Stage Multivoting Elections: Experiments in the Preface of the 2020 Democratic Primaries
  Emilia J. Suggs (Middle Tennessee State University, USA)
  Discussant: Andrew Brownback (University of Arkansas, USA)

  Modelling the Influence of Campaign Contributions and Advertising on Presidential Elections
  Maria Gallego (Wilfrid Laurier University, Canada)
  Discussant: John McLaren (University of Virginia, USA)




Saturday, February 6

[8:45AM - 10:30AM]
Strategy and Uncertainty in Social Choice
Chair: Mostapha Diss (University of Franche-Comté, France)

  Chicken Games in Approval Voting
  James Green-Armytage (New Jersey State Treasury, USA)
  Discussant: Keith L. Dougherty (University of Georgia, USA)

  To What Extent Does the Model of Processing Incomplete Rankings Affect the Likelihood of the Truncation Paradox?
  Eric Kamwa (University of Antilles, France)
  Discussant: Sébastien Courtin (University of Caen Normandie, France)

  Comparing the Manipulability of Approval, Evaluative and Plurality Voting with Trichotomous Preferences
  Abdelhalim El Ouafdi (University of Lyon Saint-Etienne, France), Dominique Lepelley (University of La Réunion, France), and Hatem Smaoui (University of La Réunion, France)
  Discussant: Elizabeth Maggie Penn (Emory University, USA)

  Belief-Averaging and Relative Utilitarianism: Savage Meets Arrow
  Florian Brandl (Princeton University, USA)
  Discussant: Marcus Pivato (CY Cergy Paris Université, France)

[10:45AM - 12:30PM]
Social Welfare Functions and Social Choice Correspondences
Chair: Elizabeth Maggie Penn (Emory University, USA)

  Critical-level Sufficientarianism
  Walter Bossert (University of Montreal, Canada), Susumu Cato (University of Tokyo, Japan), and Kohei Kamaga (Sophia University, Japan)
  Discussant: Yongsheng Xu (Georgia State University, USA)

  How to Compare Rulers
  Emre Ergin (Bolu Abant Izzet Baysal University, Turkey)
  Discussant: Duk Gyoo Kim (University of Mannheim, Germany)

  Maxmin Fixed Agenda Choice Correspondence
  Somdeb Lahiri (Pandit Deendayal Petroleum University, India)
  Discussant: Alexander Karpov (National Research University, Russia)

  Aggregation Without Interpersonal Comparisons?
  Jake Nebel (University of Southern California, USA)
  Discussant: Matthew Adler (Duke University, USA)


[12:30PM - 1:15PM]
break


[1:15PM - 3:00PM]
Deliberation and Cooperation
Chair: Jake Nebel (University of Southern California, USA)

  Group-Managed Real Options: Voting, Polarization, and Investment Dynamics
  Lorenzo Garlappi (University of British Columbia, Canada), Ron Giammarino (University of British Columbia, Canada), Ali Lazrak (University of British Columbia, Canada)
  Discussant: Tridib Sharma (Instituto Tecnológico Autónomo de México, Mexico)

  Deliberation and Epistemic Democracy
  Huihui Ding (CY Cergy Paris Université, France) and Marcus Pivato (CY Cergy Paris Université, France)
  Discussant: Eric Pacuit (University of Maryland, USA)

  Centralized Refugee Matching Mechanisms with Hierarchical Priority Classes
  Dilek Sayedahmed (Concordia University, Canada)
  Discussant: Samson Alva (University of Texas - San Antonio, USA)

  Envy Free Fair Division of Tangled Cakes and Envy Free Division of Graphs up to k Items
  Ayumi Igarashi (National Institute of Informatics, Japan) and William S. Zwicker (Union College, USA)
  Discussant: Yair Zick (University of Massachusetts - Amherst, USA)


[3:00PM - 4:00PM] Virtual cocktail hour and open discussion time

(Program organized by Jac Heckelman)

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