Online Seminar on Social Choice on 9 March

9 March – Sean Horan*  “Indecisiveness in Collective Choice” (Hosted by Simona Fabrizi)*Université de Montréal
9AM GMT:  4AM Montreal, 9AM London, 10AM Paris, 12PM Moscow, 6PM Seoul & Tokyo, 10PM Auckland

Abstract: While collective decision-making does not always lead to decisive outcomes in practice, models of collective choice almost invariably rule out the possibility of indecisiveness. Taking a step to address this disconnect, I extend three prominent collective choice procedures (the top cycle, uncovered set, and Banks set) to a general setting where social comparisons may be incomplete. I provide axiomatic foundations for the three procedures in this setting—to show that indecisiveness does not undermine their fundamental appeal. 

The talks are also announced and the slides/recordings posted on the seminar website


You are invited to a scheduled Zoom meeting.
Topic: Social Choice Seminar Time: Mar 2, 2021 10:00 PM Auckland, Wellington
Join Zoom Meeting ID: 953 5975 8702Passcode: 233707One tap mobile+6436590603,,95359758702# New Zealand+6448860026,,95359758702# New ZealandDial by your location+64 3 659 0603 New Zealand+64 4 886 0026 New Zealand+64 9 884 6780 New Zealand+1 253 215 8782 US (Tacoma)+1 301 715 8592 US (Washington DC)+1 312 626 6799 US (Chicago)+1 346 248 7799 US (Houston)+1 646 558 8656 US (New York)+1 669 900 6833 US (San Jose)Meeting ID: 953 5975 8702Find your local number: by SIP95359758702@ by H.323130.216.15.174130.216.15.175Meeting ID: 953 5975 8702Passcode: 233707

About Mauricio Bugarin

Mauricio Soares Bugarin is full professor at the Economics Department of the University of Brasilia, Brasilia, Brazil. He received his PhD from the University of Illinois at Urbana-Champaign in 1997 and is currently Leader of the Economics and Politics Research Group (CNPq-UnB). From 2006 to 2011 he was full professor of Economics at Insper Institute, São Paulo, Brazil, where he served as the director of undergraduate studies in Economics and created the joint degree program in Economics and Business Administration. Prof. Bugarin is a research fellow of the Brazilian National Research Council (CNPq) and served as a member of the Standing Committee of the Latin American Chapter of the Econometric Society from 2007 to 2011. He has produced numerous research articles published in peer reviewed journals, including the Journal of Mathematical Economics, Oxford Academic Papers, Public Choice, and Social Choice and Welfare; a book on the control of public expenditure in Brazil published by the Konrad Adenauer Foundation; several academic book chapters; and has received several academic prizes including Brazilian National Treasure Secretariat Prizes (Public Finance), a National Health Economics Prize, and the Haralambos Simeonides Prize for the best article in Economics published in a year by a Brazilian author. Prof. Bugarin’s main interests include public economics, public finance and the relationship between economics and politics. He regularly teaches PhD courses in game theory and mechanism design, the economics of incentives and information and positive political economics.
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