Physical address: 77 rue Michelet, 42100 Saint-Etienne, France
Phone : +334 77 42 19 57
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Groupe d'analyse et de théorie économique, UMR 5824, University of Saint-Etienne.
Saint-Etienne School of Economics
Research topics: economic theory, game theory, social choice, coalition formation.
Short bio: I am a full professor at GATE Lyon Saint-Etienne and Saint-Etienne School of Economics. Since January 2025, I have served as Deputy Director of GATE, in charge of the Saint-Étienne site. I founded the Master's program in Political Engineering, which later evolved into the Master's program in Economics and Data for Decision Science. I also lead and founded the Microcertification Artificial Intelligence: Challenges, Opportunities & Practical Cases. My academic background spans both mathematics and economics, with a Master's in Pure Mathematics from Université Paris-Saclay and another in Theoretical Economics from Université Paris 1 Panthéon-Sorbonne. I earned my PhD from Université Paris 1, affiliated with the Centre d'Economie de la Sorbonne and the Paris School of Economics, under the supervision of Michel Grabisch. My research and teaching center on theoretical economics, especially game theory and social choice theory, with a strong emphasis on the axiomatic method.
I currently serve as an Associate Editor of Theory and Decision.
I have supervised two PhD students: Kevin Techer and David Lowing.
Publications:
Publications:
An axiomatic characterization of the proportional threshold methods: A geometric approach, Susumu Cato, Stéphane Gonzalez, Eric Rémila, Philippe Solal, Social Choice and Welfare, (forthcoming)
Axiomatization and Implementation via objections structure, Aymeric Lardon and Stéphane Gonzalez, Theory and Decision, (forthcoming)
A Story of Consistency: Bridging the gap between Bentham and Rawls foundations, Stéphane Gonzalez and Nikolaos Pnevmatikos, Synthese, Juin 2024, Volume 203, article number 208.
Axiomatic characterizations of the core without consistency, Sylvain Béal, Stéphane Gonzalez, Philippe Solal, Peter Sudhölter, International Journal of Game Theory, September 2023, Volume 53(3), pp 687-701
Sharing the Global Outcomes of Finite Natural Resource Exploitation: A Dynamic Coalitional Stability Perspective, Stéphane Gonzalez and Fatma Zahra Rostom, Mathematical Social Sciences, September 2022, Volume 119, pp 1-10.
Axiomatic foundations of the core for games in effectiveness form, Stéphane Gonzalez and Aymeric Lardon, Mathematical Social Sciences, November 2021, Volume 114, pp 28-38.
Approval voting without ballot restrictions, Federica Ceron and Stéphane Gonzalez, Theoretical Economics, July 2021, Volume 16, Issue 3, pp 759-775.
INFLUENCE: A partizan scoring game on graphs, Eric Duchêne, Stéphane Gonzalez, Aline Parreau, Eric Rémila, Philippe Solal, Theoretical Computer Science, July 2021, Volumes 878–879, pp 26-46.
Dilemma with approval and disapproval votes, Stéphane Gonzalez, Annick Laruelle, Philippe Solal, Social Choice and Welfare, August 2019, Volume 53, Issue 3, pp 497–517.
The social cost problem, rights and the (non)empty core, Stéphane Gonzalez, Alain Marciano, Philippe Solal, Journal of Public Economic Theory, April 2019, Volume21, Issue 2, pp 347-365.
Optimal deterrence of cooperation, Stéphane Gonzalez and Aymeric Lardon, International Journal of Game Theory, March 2018, Volume 47, Issue 1, pp 207-227.
De nouveaux éclairages sur le théorème de Coase et la vacuité du cœur à trois joueurs, Stéphane Gonzalez and Alain Marciano, Revue d'économie politique, September 2017, Volume 127, Issue 4, pp 579-600.
Multicoalitional solutions, Stéphane Gonzalez and Michel Grabisch, Journal of Mathematical Economics, May 2016 Vol 64, 1-10.
Autonomous coalitions, Stéphane Gonzalez and Michel Grabisch, Annals of Operations Research, December 2015, Volume 235, Issue 1, pp 301-317.
Preserving coalitional rationality for non-balanced games, Stéphane Gonzalez and Michel Grabisch, International Journal of Game Theory, August 2015, Volume 44, Issue 3, pp 733-760.
Working papers:
Working papers:
Axiomatic characterization of the knapsack and greedy budgeting rules, Federica Ceron, Stéphane Gonzalez, Adriana Navarro Ramos
Approval voting versus proportional threshold methods: so far and yet so near, Susumu Cato, Stéphane Gonzalez, Eric Rémila, Philippe Solal
Filters in abstract aggregation with infinite sequences of signals, Susumu Cato, Stéphane Gonzalez, Eric Rémila, Philippe Solal
List of Peer-Reviewed International Conference Presentations
List of Peer-Reviewed International Conference Presentations
ASSET (Rabat, Morocco, 2025)
SAET 24 (Ischia, Italy, 2025)
SING 20 (Maastricht, Netherlands, 2025)
SING 19 (Besançon, France, 2024)
SSCW 17 (Paris, France, 2024)
PET 2024 (Lyon, France, 2024)
SAET 23 (Santiago, Chile, 2024)
SAET 22 (Paris, France, 2023)
SING 18 (Messina, Italy, 2023)
EURO OR 2022 (Espoo, Finland, 2022)
EURO OR 2021 (Athens (virtual), Greece, 2021)
PET (Strasbourg, France 2019)
SAET 19 (Ischia, Italy, 2019)
CESC 2 (Barcelona, Spain, 2019)
SING 14 (Bayreuth, Germany, 2018)
EURO 2018 – ECOR 29 (Valencia, Spain, 2018)
Paris Symposium on Games 2018 (Paris, France, 2018)
PET (Paris, France 2017)
SAET 17 (Faro, Portugal, 2017)
Journées LAGV (Aix-en-Provence, France, 2017)
CESC (Barcelona, Spain, 2017)
SING 12 (Odense, Denmark, 2016)
EURO 2016 - ECOR 28 (Poznan, Poland, 2016)
SSCW 13 (Lund, Sweden, 2016)
SING 11 (St-Petersburg, Russia, 2015)
SING 10 (Krakow, Poland, 2014)
SAET 13 (Paris, France, 2013)
SING 9 (Vigo, Spain, 2013)
SING 8 (Budapest, Hungary,2012)
SING 7 (Paris, France, 2011)
Invitation to Participate in Workshops, Seminars, and Conferences
Invitation to Participate in Workshops, Seminars, and Conferences
Game Theory Workshop in Honour of Peter Sudhölter (Universitat Roviri i Virgili, Spain, 2025)
Economics Seminar of Bielefeld University (Bielefeld, Germany, 2025)
OSGAD 17 (Paris, France, 2024)
GT Économie Comportementale (Economics, Université Paris Nanterre, France 2024)
Participatory Budgeting Workshop (Paris School of Economics, France, 2024)
Amsterdam/Saint-Etienne Workshop on Social Choice (Saint-Etienne, France, 2024)
Séminaire du CREM (Caen, France,2024)
2nd UB Workshop on Game Theory (Barcelona, Spain, 2023)
Online Social Choice and Welfare Seminar (Online, 2023)
XXXI European Workshop on Economic Theory – EWET (Naples, Italy, 2023)
CO2ERASE (University Paris Dauphine, France, 2023)
Workshop on Collective Decisions: Current Trends (Granada, Spain, 2023)
Seminar of Economics and Management (University of Paderborn, Germany, 2023)
Economic theory seminar (CES, Paris, France, 2023)
Interaction seminar (AMSE, Marseille, France, 2022)
Workshop GDR-Jeux cooperative models in games and social choice (Crese, Besançon, France 2022)
Game theory seminar (University of Barcelona, Spain, 2022)
MDOD Seminar (Paris 1, France, 2021)
Séminaire du CRESE (Besançon, France, 2020)
LEM Seminar (Lille, France, 2020)
LED Seminar (Paris 8, France 2019)
MRE Seminar (Montpellier, France 2019)
Paris Symposium on Games 2018 (Paris, France, 2018)
Symposium "Mathematics and Politics: Democratic Decision Making”, (Hannover, Germany, 2018)
The Game Theory seminars of the University of the Basque Country (Bilbao, Spain, 2018)
CES Economic Theory Seminar of Paris 1 (Paris, France, 2018)
Séminaire du BETA (Nancy, France, 2018)
OSGAD 11 (Paris, France, 2017)
Axiomatizations in Game Theory (Pécs, Hungary, 2017)
Workshop MARS (Saint-Etienne, France, 2017)
Workshop Causation and Responsability : Law, Economics, Philosophy (Nancy, France, 2016)
Séminaire du GATE-LSE (Lyon, France, 2016)
ADRES (Paris, France, 2015)
CEREC Workshop in Economics (Brussels, Belgium 2014)
QED (Vienna, Austria, 2013)
MINT 4 (Amsterdam, Netherland, 2013)
Séminaire du laboratoire EQUIPPE (Lille, France, 2013)
Parisian Game Theory PhD Seminar IHP (Paris, France, 2013)
PSE Seminar in Economic Theory (Paris, France, 2013)
OWL Workshop « Markets, Games, and Design » MGD12 (Paderborn, Germany 2012)
EBIM Networks Workshop (Bielefeld, Germany, 2012)
OSGAD 5 (Paris, France, 2011)
Past events:
Past events:
Announcement of Tenure-Track Position: Saint-Etienne School of Economics is opening a tenure track position in Economic Design, Cooperative Game Theory and Social Choice. The position benefits from substantial research funding (278 000 €) and substantial teaching reduction (2/3 of the regular teaching load, or 42 h / year). Depending on the seniority of the successful candidate, the tenure evaluation will take place after 3 or 5 years, and it will lead to full professorship. The deadline for applying is May 23rd, 2022 at 4 p.m. (CEST). More information can be found here.
Workshop announcement: I am pleased to co-organize the workshop "GO22 Games and Optimization 2022)", which will take place on April 14-15, 2022 at Saint-Etienne. The event will gather worldwide researchers in social choice theory and game theory. Information and full program are available here.
The Saint-Etienne School of Economics will be inaugurated on Thursday, October 14. A press conference will be held in the school's premises on rue Michelet.
Workshop announcement: I am pleased to co-organize the workshop "INDEPTH (Institutional Design and Economic Preferences: THeory and experiments)", which will take place on 28 and 29 March 2019 in Saint-Etienne. The event will gather world-wide researchers in social choice theory and game theory. Information and full program available here.
Du 4 au 6 juillet 2018 se tiendront les Journées SDA2 2018 : Systèmes Dynamiques, Automates & Algorithmes à Saint-Etienne (France).
Annonce événement. Je suis heureux de coorganiser avec Antoinette Baujard et Mostapha Diss l'événement francophone "Faire de la politique autrement ? Théorie et pratique du choix social", qui se tiendra les 27 et 28 avril 2017 à Saint-Etienne. La première journée sera une journée d’étude académique consacrée au vote par évaluation. Le seconde journée vise à présenter la théorie du choix social et du bien-être à destination du grand public, occasion de discuter la place des économistes dans les décisions et le débat publics.
Workshop announcement: I am pleased to organize the workshop "MARS: Measures, Axioms, Rights and Stability in coalitions and networks", which will take place on March 22-23 2017 in Saint-Etienne. The event will gather world-wide researchers in theoretical economics dealing with the questions of axiomatic, stability, rights, allocations and externalities within coalitions and networks. Information and full program available here.
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