Program > Program
Wednesday, May 20, 2026
| Time | Event | (+) |
| 17:00 - 19:00 | Welcoming Cocktail (Salle d'honneur des Universités) |
Thursday, May 21, 2026
| Time | Event | (+) |
| 08:30 - 09:00 | Registration - Distribution of badges | |
| 09:00 - 09:15 | Welcome remarks (Amphi Geny) - Samuel Ferey and Maxime Desmarais-Tremblay | |
| 09:15 - 10:15 | Keynote: Rules That Make Their Own Data: Paradoxes and Impossibilities in Strategic Classification (Amphi Geny) - Elizabeth Maggie Penn, Emory University | |
| 10:15 - 10:45 | Coffee break | |
| 10:45 - 12:15 | Normative Economics (AR05) - Ute Schmiel, University of Duisburg-Essen | (+) |
| 10:45 - 11:15 | › The Invention of Homo Œconomicus: an Non-Linear Exclusion of Ethics from Economic Science - Philippe Gillig, Bureau d'Economie Théorique et Appliquée | |
| 11:15 - 11:45 | › The Normative Foundations of Kaldor-Hicks Reasoning: Why Willingness-To-Pay Both Avoids and Does Not Avoid The Problem of Interpersonal Utility Comparisons - Patricia Marino, Department of Philosophy, University of Waterloo | |
| 11:45 - 12:15 | › The paradoxes and contradictions of the positive-normative distinction in economics - Ute Schmiel, University of Duisburg-Essen - Michaela Haase, Freie Universität Berlin = Free University of Berlin | |
| 10:45 - 12:15 | Reconstruction-Deconstruction (B111) - Judith Favereau, Université Lumière - Lyon 2 | (+) |
| 10:45 - 11:15 | › Individualisme méthodologique et implosion du programme de recherche scientifique néoclassique : une interprétation à partir de Lakatos - Alain Herscovici, Universidade Federal do espírito Santo, Programa de Pós-Graduaçao em Economia, Fundação de Amparo à Pesquisa de l´Etat de São Paulo, Fundaçãode Amparo à Pesquisa do Espírito Santo | |
| 11:15 - 11:45 | › Neoliberalism: A Lakatosian Rational Reconstruction - Aleksander Ostapiuk | |
| 11:45 - 12:15 | › Too Paradoxical? Deconstructive Epistemology as Economic Methodology - Giustino De Michele, Université Paris 8 Vincennes-Saint-Denis, Centre Interdisciplinaire d'Étude des Littératures d'Aix-Marseille | |
| 10:45 - 12:15 | Rationality (B112) - Luc Bovens, University of North Carolina at Chapel Hill | (+) |
| 10:45 - 11:15 | › Against the teleological conception of practical reasons - Victor Mardellat, Centre d'Études Sociologiques et Politiques Raymond Aron | |
| 11:15 - 11:45 | › The Paradox of Rational Contradiction: On the Relevance of Existentialism and the Concept of Bad Faith to Economics - Lacroix Yannick, Université Grenoble Alpes - Faculté d'Économie de Grenoble | |
| 11:45 - 12:15 | › On Being Rational and Responsible yet Ineffective, a Reappraisal of the Kagan-Nefsky Debate - Mathieu Guigourez, Centre d'économie de la Sorbonne | |
| 10:45 - 12:15 | Knowledge (B113) - Magdalena Małecka, University of Copenhagen | (+) |
| 10:45 - 11:15 | › The Paradox of Representation Reframed - Mario Chalita, Universidad Nacional de Córdoba [Argentina] | |
| 11:15 - 11:45 | › Models as Frameworks for Thinking: The Production of Ignorance through Signaling Theory - Arnaud Niedbalec, Pôle de recherche interdisciplinaire en sciences du management | |
| 11:45 - 12:15 | › Contradiction without Incoherence: Jain Logic and Structured Pluralism in Economics - Ragupathy Venkatachalam, Goldsmiths University of London - Diviya Diviya, Azim Premji University | |
| 10:45 - 12:15 | Individual Freedom and Collective Coercion (B205) - John Patty, Emory University | (+) |
| 10:45 - 11:15 | › William James: Classical Liberal or New Liberal? - Mario RIZZO, New York University | |
| 11:15 - 11:45 | › The paradox of political economy - F.E. Guerra-Pujol, University of Central Florida [Orlando] | |
| 11:45 - 12:15 | › Walking a Mile in your Shoes: Partial Agreement in Plural Societies - Constanze Binder, Erasmus University Rotterdam | |
| 12:15 - 13:45 | Lunch | |
| 13:45 - 15:15 | Moral Philosophy (AR05) - Thomas Ferretti, University of Greenwich | (+) |
| 13:45 - 14:15 | › How is paradox of blackmail paradoxical? - Igor Wysocki, Nicolaus Copernicus University [Toruń] | |
| 14:15 - 14:45 | › Meritocracy: a critical discussion of its paradoxical aspects - Annalisa Fabretti, Università degli Studi di Roma Tor Vergata | |
| 14:45 - 15:15 | › Effort, Performance and Generosity in Dictator Games - Adam Oliver, London School of Economics and Political Science | |
| 13:45 - 15:15 | Preferences (B111) - Adam Oliver, London School of Economics and Political Science | (+) |
| 13:45 - 14:15 | › Economic Preferences and Practical Reason - Ricardo F. Crespo, Universidad Austral - Giancarlo Ianulardo, University of Exeter Business School | |
| 14:15 - 14:45 | › The Neglected Heterogeneity in Cognitive Biases: The Epistemic Vices Behind - Daniel Zarama Rojas, Bureau d'Économie Théorique et Appliquée (BETA) | |
| 14:45 - 15:15 | › Why be a frame-sensitive reasoner? On the epistemic foundations of ultraintensional preference formation - James Grayot, University of Porto | |
| 13:45 - 15:15 | Mid-Century Economics (B112) - Ragupathy Venkatachalam, Goldsmiths University of London | (+) |
| 13:45 - 14:15 | › Rationality and Utility: Janina Hosiasson's Decision Theory Between 1931 and 1935 - Dillon Lamarche, McMaster University | |
| 14:15 - 14:45 | › Savage's Riddle: Savage's acts and real options - Vita Kudryavtseva, London School of Economics and Political Science | |
| 14:45 - 15:15 | › The Nomenclature Postulate and the Characteristics of Commodities - Julien Gradoz, Centre lyonnais d'Histoire du droit et de la pensée politique | |
| 13:45 - 15:15 | Institutions (B113) - Nathanael Colin-Jaeger, European School of Political and Social Sciences | (+) |
| 13:45 - 14:15 | › Stakeholder capitalism and the trilemma of capitalist governance - Sandrine Blanc, INSEEC | |
| 14:15 - 14:45 | › Conceptualizing Common Property Rights: An Institutionalist Reading of Elinor Ostrom - Massimo Cervesato, Université Paris 1 Panthéon-Sorbonne, Centre d'Economie de la Sorbonne | |
| 14:45 - 15:15 | › Institutional Tensions: Why Institutions Need Benevolent Troublemakers - Konrad Werner, University of Warsaw | |
| 13:45 - 15:15 | Game Theory (B205) - Eric Kamwa, Bureau d'économie théorique et appliquée (BETA) | (+) |
| 13:45 - 14:15 | › Common Knowledge Paradox and Coordination of Expectations - Do Youn Won, Taejae University, AI Education Research Center, Korea University, University College | |
| 14:15 - 14:45 | › A game-theoretical approach to Obscurantism - Filip Buekens, Institute of Philosophy, KU Leuven | |
| 14:45 - 15:15 | › The One-Step Principle: Ambiguity and Performative Model Choice in Game-Theoretic Accounts of Pro-Environmental Behaviour - Alessandro Guerra, Università degli Studi di Milano | |
| 13:45 - 15:15 | La terre (B316) - Jean-Sébastien Gharbi, Université de Reims Champagne-Ardenne | (+) |
| 13:45 - 14:15 | › La conception walrasienne de la justice sociale par la nationalisation des terres - TRISTAN FERREIRA ROCHA, University of Barcelona | |
| 14:15 - 14:45 | › L'art d'associer les ménages à la gestion des communaux et des climatures - Gaëtan Fustec, Université Catholique de l'Ouest | |
| 14:45 - 15:15 | › La croissance verte comme idéologie géosociale - Guillaume Quiquerez, Laboratoire d'Économie et de Sociologie du Travail - UMR 7317 | |
| 15:15 - 15:45 | Coffee break | |
| 15:45 - 17:45 | Reassessing Social Choice and Welfare Economics through History (AR05) - Herrade Igersheim, Bureau d'économie théorique et appliquée | (+) |
| 15:45 - 16:15 | › De l'usage des paradoxes en choix social - Jean-François Laslier, Paris School of Economics | |
| 16:15 - 16:45 | › Why a comprehensive approach to the history of welfarism is important for revisiting welfare economics - Antoinette BAUJARD, Groupe d'analyse et de théorie économique, Université Jean Monnet (EPSCPE) | |
| 16:45 - 17:15 | › Games and Social Choice - Juan Carvajalino, Université Paris 8 Vincennes-Saint-Denis - Herrade IGERSHEIM, Bureau d'économie théorique et appliquée | |
| 17:15 - 17:45 | › The Maurice Salles Archives: An Inventory - VINCENT ROBERT MERLIN, Centre de recherche en économie et management - Benoit Walraevens, Centre de recherche en économie et management | |
| 15:45 - 17:45 | The Allais Paradox (B111) - Bertrand Munier, Président de Conseil scientifique de la Fondation Maurice Allais, Professeur émérite de l’Université de Paris 1 Panthéon Sorbonne | (+) |
| 15:45 - 16:09 | › An Allaisian Triple Grasp of the 'so-called Paradox' - Bertrand Munier, Fondation Maurice Allais, Université Paris 1 Panthéon-Sorbonne | |
| 16:09 - 16:33 | › Rationality and normative decision theory (symposium on Allais Paradox) - Mikael Cozic, Université Jean Moulin Lyon 3 - Faculté de Philosophie | |
| 16:33 - 16:57 | › Theoretical Critique and ‘Experimentum crucis': What Do Maurice Allais's Archives Teach Us About the 'Paradox'? - Samuel FEREY, BETA-CNRS - Dorian JULLIEN, CES-CNRS | |
| 16:57 - 17:21 | › Décider par temps calme. Ce que Kahneman et Tversky ont fait de l' « Homme Rationnel » d'Allais. (session "Paradoxe d'Allais") - Jean-Sébastien Lenfant, Université Paris 1 Panthéon-Sorbonne - École de Management de la Sorbonne | |
| 17:21 - 17:45 | › What the Allais Paradox can still teach us about economics after 75 years - Seán Muller, University of Johannesburg | |
| 15:45 - 17:45 | Epistemic Issues (B112) - Mario Rizzo, New York University | (+) |
| 15:45 - 16:15 | › Holding the Paradox: Frank H. Knight on the Foundations of Economic Inquiry - Varvara Rogozhnikova, Lomonosov Moscow State University | |
| 16:15 - 16:45 | › Austrian Economics and the Paradox of Insignificant Apodictic Truth - Krzysztof Turowski, Jagiellonian University | |
| 16:45 - 17:15 | › Economic order and the paradox of absolute contingency - Leonardo Ivarola, University of Buenos Aires | |
| 17:15 - 17:45 | › Liberalism's Ouroboros: DOGE and the Transition Problem in Stark Relief - Scott Scheall, University of Austin | |
| 15:45 - 17:45 | Decision Theory (B113) - Roberto Fumagalli, King‘s College London | (+) |
| 15:45 - 16:15 | › A puzzle about checklist reasoning - Marco Grossi, University of Oxford | |
| 16:15 - 16:45 | › Going beyond Newcomb's problem with Kant hand in hand - Michal Pawlowski, Economics Department [European University Institute] | |
| 16:45 - 17:15 | › Intransitive Preferences - Luc Bovens, University of North Carolina at Chapel Hill | |
| 17:15 - 17:45 | › A Meta-Precautionary Solution to the Paradox of Precaution - Roberto Fumagalli, King‘s College London | |
| 15:45 - 17:45 | Problems of Capitalism (B205) - Yamina Tadjeddine, BETA, Université de Lorraine | (+) |
| 15:45 - 16:15 | › From Paradox to Contradiction: Re-describing the “Capital Conundrum” through Internal Relations and Social Ontology - Muhammad Zulkifly, Durham University | |
| 16:15 - 16:45 | › Karl Polanyi's critique: The inherent ambiguity in the concept of “economy” - Iliana Melero, Universidad de Zaragoza | |
| 16:45 - 17:15 | › Objective Hierarchies of Needs, Subjective Preferences, or Partial Hierarchies of Needs and Preferences? - Sina Badiei, Bureau d'Économie Théorique et Appliquée | |
| 17:15 - 17:45 | › Krisis or Kairos? About crises and their paradoxes - Dorina Patrunsu, University of Bucharest | |
| 15:45 - 17:45 | Le don (B316) - Emmanuel Petit, Bordeaux sciences économiques | (+) |
| 15:45 - 16:15 | › Care et capitalisme: une contradiction décisive - Francesco Adorno, Università degli Studi di Salerno | |
| 16:15 - 16:45 | › Entre altruisme et rationalité : la figure du "bon donneur” d'organes - Ninon Laparra, Laboratoire Interdisciplinaire d'étude du Politique Hannah Arendt Paris-Est | |
| 16:45 - 17:15 | › Le paradoxe du Don: pauvreté ontologique et richesse de l'usage - Patrick Mardellat, Centre lillois d'études et de recherches sociologiques et économiques | |
| 19:30 - 22:00 | Gala dinner (Hôtel de Ville de Nancy - Place Stanislas) |
Friday, May 22, 2026
| Time | Event | (+) |
| 09:00 - 10:00 | Keynote: In Praise of the Ambiguous and Inexact – Even in Economics (Amphi Geny) - Nancy Cartwright, Durham University and University of California San Diego | |
| 10:00 - 10:30 | Coffee break | |
| 10:30 - 12:30 | Teaching Philosophy to Economists panel (AR05) - Maxime Desmarais-Tremblay | |
| 10:30 - 12:30 | Politics of Disagreement (B111) - Cyril Hédoin, Université de Reims Champagne-Ardenne | (+) |
| 10:30 - 11:00 | › Title: Polycentricity, Cities' Autonomy, and the Fairness Objection - Nathanael Colin-Jaeger, ESPOL-LAB | |
| 11:00 - 11:30 | › Laundered Preferences: An Unrealistic Path Toward Consensus (Also from a Liberal Philosophy Perspective) - Jean-Sébastien Gharbi, Recherches en Économie Gestion AgroRessources Durabilité Santé- EA 6292 | |
| 11:30 - 12:00 | › Gaus, Habermas, and modern unreasonableness - Pablo Paniagua, King‘s College London, Universidad del Desarollo | |
| 12:00 - 12:30 | › Dynamic Social Philosophy - Alexander Schaefer, University at Buffalo | |
| 10:30 - 12:30 | Macroeconomic contradictions (B112) | (+) |
| 10:30 - 11:00 | › Supposed paradoxes and real contradictions in macroeconomics - Angel Asensio, CEPN | |
| 11:00 - 11:30 | › Post-growth as public satiation - Gideon Frey, Erasmus Institute for Philosophy and Economics | |
| 11:30 - 12:00 | › The matter of wellbeing : the Easterlin paradox through the eyes of matter and energy flows - Amine Messal, Ecole Normale Supérieure Paris-Saclay | |
| 12:00 - 12:30 | › Growing desires meet limits to growth: Hirsch's contradiction in Capitalism - Jens Jørund Tyssedal, University of Bergen | |
| 10:30 - 12:30 | Choosing (B113) - Dorian Jullien, CES-CNRS | (+) |
| 10:30 - 11:00 | › Model Selection as a Decision Problem - Raffaello Seri, InsIDE Lab, Dipartimento di Economia Università degli Studi dell'Insubria | |
| 11:00 - 11:30 | › On Uncertainty, Creativity, Dialectics, and Economic Choice Theory - Petur Orri Jonsson, Fayetteville State University | |
| 11:30 - 12:00 | › The Axiom of Choice Determination - A Philosophy of Science Perspective - Justin Leduc, University of Vienna | |
| 10:30 - 12:30 | Policy-making (B205) - Giancarlo Ianulardo, University of Exeter Business School | (+) |
| 10:30 - 11:00 | › THIN NUMBERS, THICK DEPRIVATIONS: HISTORY AND METHODOLOGY OF POVERTY MEASUREMENT - Judith Favereau, Université Lumière - Lyon 2 | |
| 11:00 - 11:30 | › Contradictory implications of monetary policy transparency: transparency as a help and hindrance to inflation anchoring - Russell Ellen, Wilfrid Laurier University | |
| 11:30 - 12:00 | › Explaining Macroeconomic Policy Regimes Shifts Through Evolution: how the USA, the UK and France adopted Keynesianism and Neoliberalism - Alexandre TAWIL, Laboratoire d'économie et de gestion REGARDS, UFR de sciences économiques, sociales et de gestion | |
| 12:00 - 12:30 | › Between research and rhetoric: investigating the instrumental and strategic use of economic analysis in monetary policy making - Lukasz Hardt, University of Warsaw, Faculty of Economic Sciences | |
| 10:30 - 12:30 | Paradoxes (B316) - Patrick Mardellat, Centre lillois d'études et de recherches sociologiques et économiques (CLERSE) | (+) |
| 10:30 - 11:00 | › Banques centrales et paradoxes de gouvernance : communication, crédibilité et pressions politiques - Maxence Follot, Université de Bourgogne | |
| 11:00 - 11:30 | › Entre préexistence et indétermination : le paradoxe des opportunités chez Kirzner - Christel Vivel, ESDES, Lyon Business School - UCLy | |
| 11:30 - 12:00 | › Le comportement des joueurs de jeux vidéo est-il philosophiquement paradoxal ? - Emmanuel PETIT, Bordeaux sciences économiques | |
| 12:00 - 12:30 | › Le paradoxe d'Allais: origines et signification - Francis Bismans, Bureau d'Économie Théorique et Appliquée | |
| 12:30 - 14:00 | Lunch | |
| 14:00 - 15:30 | Reclaiming utopia 1 (AR05) - Carsten Herrmann-Pillath, Max Weber Centre for Advanced Cultural and Social Studies, Erfurt University | (+) |
| 14:00 - 14:30 | › Collectivizing the Hegel Master-Slave Dialectic while Upholding Methodological Individualism - S.M. Amadae, Centre for the Study of Existential Risk, University of Cambridge | |
| 14:30 - 15:00 | › Embodied Economics, Utopian Impulse, and Societal Transformation: Conceptual Pathways and Empirical Investigations - Frederic Basso, London School of Economics and Political Science | |
| 15:00 - 15:30 | › Reinventing property for building concrete utopias of economic life - Carsten Herrmann-Pillath, Max Weber Centre for Advanced Cultural and Social Studies, Erfurt University | |
| 14:00 - 15:30 | AI (B112) - Filip Buekens, Institute of Philosophy, KU Leuven | (+) |
| 14:00 - 14:30 | › The paradox of explainability in artificial intelligence - Annika Schuster, Technische Universität Dortmund | |
| 14:30 - 15:00 | › Protecting Employee Privacy in the Age of Workplace Analytics - Thomas Ferretti, University of Greenwich | |
| 15:00 - 15:30 | › The Artificially Intelligent Paternalist: does AI respect individuals' preferences as stated by themselves? - Guilhem Lecouteux, Université Côte d'Azur, CNRS, Gredeg | |
| 14:00 - 15:30 | Public Finance (B113) - Julien Grandjean, INSP, BETA | (+) |
| 14:00 - 14:30 | › Ignorance in economics: the idea of fiscal illusion in public finance - Mario Pomini | |
| 14:30 - 15:00 | › The Paradox of Deficits - Marc Morgan, University of Geneva | |
| 15:00 - 15:30 | › The Rhetorical Straitjacket of Economic Discourse: Monetary Theory, Fiscal Discipline and Democratic Constraints - Tiago Mendonça dos Santos, Universidade do Vale do Itajaí | |
| 14:00 - 15:30 | David Hume (B205) - Margaret Schabas, University of British Columbia | (+) |
| 14:00 - 14:30 | › David Hume on authority and commerce - Rogerio Arthmar, Universidade Federal do Espirito Santo | |
| 14:30 - 15:00 | › “Hume's Answers to Mandeville's Paradox” - Benoit Walraevens, Centre de Recherche en Economie et Management, Université de Caen Normandie | |
| 15:00 - 15:30 | › Beyond the Humean Mosaic: Hempel's Raven and the Epistemological Fragility of Neoclassical Economics - Stefan Voss, Samuel Pufendor Gesellschaft e. V., Ludwig Maximilian University | |
| 14:00 - 15:30 | Transition (B316) - Elodie Bertrand, Institut des Sciences Juridique et Philosophique de la Sorbonne | (+) |
| 14:00 - 14:30 | › Une approche structurale des modèles fondateurs de la macroéconomie des ressources - Hugo Mosneron Dupin, École normale supérieure - Paris, Centre International de Recherche sur l'Environnement et le Développement | |
| 14:30 - 15:00 | › La nature paradoxale du processus métabolique de production - François-Xavier Noire, CLERSE | |
| 15:00 - 15:30 | › Quantifier l'équité climatique : paradoxes métriques, inégalités historiques et colonialité du savoir - Rachel Pierre-Léandre, Mines Paris - PSL (École nationale supérieure des mines de Paris) | |
| 15:30 - 16:00 | Coffee break | |
| 16:00 - 17:30 | Reclaiming utopia 2 (AR05) - Don Ross, University College Cork, University of Cape Town, Georgia State University | (+) |
| 16:00 - 16:30 | › From values to utopias for political economy? - Magdalena Małecka, University of Copenhagen | |
| 16:30 - 17:00 | › Economics: Spoiler or generator of transformative ideologies? - Michiru Nagatsu, University of Helsinki | |
| 17:00 - 17:30 | › We are Keynes's grandchildren - Don Ross, University College Cork, University of Cape Town, Georgia State University | |
| 16:00 - 17:30 | Scholasticism (B111) - Ricardo F. Crespo, Universidad Austral | (+) |
| 16:00 - 16:30 | › Aristotle, Paradoxes, and Contradiction - Esma Kayar, Istanbul Medeniyet University | |
| 16:30 - 17:00 | › Aristotle's paradox of reciprocal exchange: the poor pay more - Gerhard Michael Ambrosi, Trier Universität | |
| 17:00 - 17:30 | › Thomas Aquinas on debt, beyond usury and just price - Pierre JANUARD, Philosophie, Histoire et Analyse des Représentations Économiques, FASS - Université Pontificale Saint Thomas d'Aquin (Angelicum) | |
| 16:00 - 17:30 | Democratic Institutions (B112) - Antoinette Baujard, Groupe d'analyse et de théorie économique, Université Jean Monnet (EPSCPE) | (+) |
| 16:00 - 16:30 | › The Constitutional Public Good: Public Choice, Public Reason, and the Risk of Democratic Sectarianism - Cyril Hédoin, URCA - UFR des Sciences économiques, sociales et de gestion | |
| 16:30 - 17:00 | › Will Mechanism Design Set Us Free? Algorithmic Institutions and Hayekian Freedom - Kevin Leportier, University of Caen Normandie - CREM | |
| 17:00 - 17:30 | › The Democracy–Efficiency Paradox: Reconciling Collective Choice with Economic Rationality - Kamal Tasiu Abdullahi, Istanbul University | |
| 16:00 - 17:30 | Causality and Models (B113) - Guilhem Lecouteux, Université Côte d'Azur, CNRS, Gredeg | (+) |
| 16:00 - 16:30 | › A Methodological Paradox of Fairness: Conditional and Unconditional Quantile Treatment Effects Estimation in Higher Education Policy Evaluation - Zhenlan Yao, University of Dundee | |
| 16:30 - 17:00 | › On the Causal Interpretation of Agent-Based Economic Models: Epistemic Entitlements and Inferential Use - Massimo Rusconi, Dipartimento di Economia Università degli Studi dell'Insubria | |
| 17:00 - 17:30 | › Linking the Cogs: Justifying Mechanistic Explanations through Simulation - Maciej Nogaj, University of Warsaw, Faculty of Economics | |
| 16:00 - 17:30 | Marché et institutions (B205) - Kevin Leportier, Université de Caen-Normandie - CREM | (+) |
| 16:00 - 16:30 | › Monnaie et raison d'Etat : le marché comme lieu de véridiction de la valeur face au problème d'incomplétude de la valeur de vérité des jugements de valeur - Yael Dosquet, École des hautes études en sciences sociales | |
| 16:30 - 17:00 | › Hegel's theory of measure: value and the intrinsic instability of market economy - Gaëtan Le Quang, CNRS, EconomiX, Université Paris Nanterre | |
| 17:00 - 17:30 | › Structural Externality: A New Concept - Elodie Bertrand, Institut des Sciences Juridique et Philosophique de la Sorbonne |
