Curriculum Vitae Yair Tauman May 15, 2021
Total Page:16
File Type:pdf, Size:1020Kb
Load more
Recommended publications
-
Viable Nash Equilibria: Formation and Defection (Feb 2020)
VIABLE NASH EQUILIBRIA: FORMATION AND DEFECTION (FEB 2020) EHUD KALAI In memory of John Nash Abstract. To be credible, economic analysis should restrict itself to the use of only those Nash equilibria that are viable. To assess the viability of an equilibrium , I study simple dual indices: a formation index, F (), that speci…es the number of loyalists needed to form ; and a defection index, D(), that speci…es the number of defectors that can sustain. Surprisingly, these simple indices (1) predict the performance of Nash equilibria in social systems and lab experiments, and (2) uncover new prop- erties of Nash equilibria and stability issues that have so far eluded game theory re…nements. JEL Classi…cation Codes: C0, C7, D5, D9. 1. Overview Current economic analysis often relies on the notion of a Nash equilibrium. Yet there are mixed opinions about the viability of this notion. On the one hand, many equilibria, referred to as viable in this paper, play critical roles in functioning social systems and perform well in lab and …eld experiments. Date: March 9, 2018, this version Feb 24, 2020. Key words and phrases. Normal form games, Nash equilibrium, Stability, Fault tolerance, Behavioral Economics. The author thanks the following people for helpful conversations: Nemanja Antic, Sunil Chopra, Vince Crawford, K…r Eliaz, Drew Fudenberg, Ronen Gradwohl, Yingni Guo, Adam Kalai, Fern Kalai, Martin Lariviere, Eric Maskin, Rosemarie Nagel, Andy Postlewaite, Larry Samuelson, David Schmeidler, James Schummer, Eran Shmaya, Joel Sobel, and Peyton Young; and seminar participants at the universities of the Basque Country, Oxford, Tel Aviv, Yale, Stanford, Berkeley, Stony Brook, Bar Ilan, the Technion, and the Hebrew University. -
DP Cover1512 Kalai.Cdr
Discussion Paper #1512 June 16, 2010 A A Cooperative Value for Bayesian Games Key words: cooperative game theory, non- cooperative game theory, bargaining, min-max value JEL classification: C70, C71, C72, C78 Adam Kalai Microsoft Research Ehud Kalai Northwestern University www.kellogg.northwestern.edu/research/math everone Hall Evanston, IL 60208-2014 US CMS-EMS oad 580 L The Center for Mathematical Studies in Economics & Management Sciences Northwestern University 2001 Sheridan R A COOPERATIVE VALUE FOR BAYESIAN GAMES ADAM TAUMAN KALAI∗ AND EHUD KALAIy;x Abstract. Selfish, strategic players may benefit from cooperation, provided they reach agreement. It is therefore important to construct mechanisms that facilitate such cooperation, especially in the case of asymmetric private information. The two major issues are: (1) singling out a fair and efficient outcome among the many individually rational possibilities in a strategic game, and (2) establishing a play protocol under which strategic players may achieve this outcome. The paper presents a general solution for two-person Bayesian games with monetary payoffs, under a strong revealed-payoff assumption. The proposed solution builds upon earlier concepts in game theory. It coincides with the von Neumann minmax value on the class of zero sum games and with the major solution concepts to the Nash Bargaining Problem. Moreover, the solution is based on a simple decomposition of every game into cooperative and competitive components, which is easy to compute. 1. Introduction Selfish players in strategic games benefit from cooperation, provided they come to mutually beneficial agreements. In the case of asymmetric private information, the benefits may be even greater, but avoiding strategic manipulations is more subtle. -
Matchings and Games on Networks
Matchings and games on networks by Linda Farczadi A thesis presented to the University of Waterloo in fulfilment of the thesis requirement for the degree of Doctor of Philosophy in Combinatorics and Optimization Waterloo, Ontario, Canada, 2015 c Linda Farczadi 2015 Author's Declaration I hereby declare that I am the sole author of this thesis. This is a true copy of the thesis, including any required final revisions, as accepted by my examiners. I understand that my thesis may be made electronically available to the public. ii Abstract We investigate computational aspects of popular solution concepts for different models of network games. In chapter 3 we study balanced solutions for network bargaining games with general capacities, where agents can participate in a fixed but arbitrary number of contracts. We fully characterize the existence of balanced solutions and provide the first polynomial time algorithm for their computation. Our methods use a new idea of reducing an instance with general capacities to an instance with unit capacities defined on an auxiliary graph. This chapter is an extended version of the conference paper [32]. In chapter 4 we propose a generalization of the classical stable marriage problem. In our model the preferences on one side of the partition are given in terms of arbitrary bi- nary relations, that need not be transitive nor acyclic. This generalization is practically well-motivated, and as we show, encompasses the well studied hard variant of stable mar- riage where preferences are allowed to have ties and to be incomplete. Our main result shows that deciding the existence of a stable matching in our model is NP-complete. -
John Von Neumann Between Physics and Economics: a Methodological Note
Review of Economic Analysis 5 (2013) 177–189 1973-3909/2013177 John von Neumann between Physics and Economics: A methodological note LUCA LAMBERTINI∗y University of Bologna A methodological discussion is proposed, aiming at illustrating an analogy between game theory in particular (and mathematical economics in general) and quantum mechanics. This analogy relies on the equivalence of the two fundamental operators employed in the two fields, namely, the expected value in economics and the density matrix in quantum physics. I conjecture that this coincidence can be traced back to the contributions of von Neumann in both disciplines. Keywords: expected value, density matrix, uncertainty, quantum games JEL Classifications: B25, B41, C70 1 Introduction Over the last twenty years, a growing amount of attention has been devoted to the history of game theory. Among other reasons, this interest can largely be justified on the basis of the Nobel prize to John Nash, John Harsanyi and Reinhard Selten in 1994, to Robert Aumann and Thomas Schelling in 2005 and to Leonid Hurwicz, Eric Maskin and Roger Myerson in 2007 (for mechanism design).1 However, the literature dealing with the history of game theory mainly adopts an inner per- spective, i.e., an angle that allows us to reconstruct the developments of this sub-discipline under the general headings of economics. My aim is different, to the extent that I intend to pro- pose an interpretation of the formal relationships between game theory (and economics) and the hard sciences. Strictly speaking, this view is not new, as the idea that von Neumann’s interest in mathematics, logic and quantum mechanics is critical to our understanding of the genesis of ∗I would like to thank Jurek Konieczny (Editor), an anonymous referee, Corrado Benassi, Ennio Cavaz- zuti, George Leitmann, Massimo Marinacci, Stephen Martin, Manuela Mosca and Arsen Palestini for insightful comments and discussion. -
CAREN WEINBERG, PHD [email protected] • +972 (0)50 527-9553
CAREN WEINBERG, PHD [email protected] • +972 (0)50 527-9553 Dr. Weinberg is recognized in both industry and academia as a fully qualified educator and researcher based on distinguished achievements throughout an extensive executive management career focused on innovation and entrepreneurship in global environments. She developed processes for the creation and introduction of organizational initiatives to maintain and enhance innovation within both start-up and corporate entities. She has designed business and marketing plans to benefit from cultural differences and increase collaborative value for partnerships. Worked with and for the majority of the worlds Fortune 100 Companies, lectures, develops curriculum and takes part in research in major higher educational institutions worldwide. KEY STRENGTHS Continuously promotes innovation and entrepreneurship through participation in both industry and academic forums as a recognized expert in the field. Passion for technology innovation and entrepreneurial education supported by extensive formal education, executive experience as a leader and mentor, continual advancement, and champion in the development of educational and career development initiatives for undergraduates, graduates, entrepreneurs and executives. Long history of introducing and managing academic – industry partnerships that not only provide real- world experience for students but solve actual problems and needs for firms involved. Committed to creation of student-centered learning environments, academic programs, and processes that support the institution’s mission and goals for exceptional academic and personal excellence though creative and innovative teaching methods and industry partnerships. Value collaboration, team work and open communication among all organizational levels. Known for energy, depth of knowledge, integrity, and fairness, combined with strong team leadership to achieve results, and surpass expectations. -
Matthew O. Jackson
Matthew O. Jackson Department of Economics Stanford University Stanford, CA 94305-6072 (650) 723-3544, fax: 725-5702, [email protected] http://www.stanford.edu/ jacksonm/ ⇠ Personal: Born 1962. Married to Sara Jackson. Daughters: Emilie and Lisa. Education: Ph.D. in Economics from the Graduate School of Business, Stanford Uni- versity, 1988. Bachelor of Arts in Economics, Summa Cum Laude, Phi Beta Kappa, Princeton University, 1984. Full-Time Appointments: 2008-present, William D. Eberle Professor of Economics, Stanford Univer- sity. 2006-2008, Professor of Economics, Stanford University. 2002-2006, Edie and Lew Wasserman Professor of Economics, California Institute of Technology. 1997-2002, Professor of Economics, California Institute of Technology. 1996-1997, IBM Distinguished Professor of Regulatory and Competitive Practices MEDS department (Managerial Economics and Decision Sci- ences), Kellogg Graduate School of Management, Northwestern Univer- sity. 1995-1996, Mechthild E. Nemmers Distinguished Professor MEDS, Kellogg Graduate School of Management, Northwestern University. 1993-1994 , Professor (MEDS), Kellogg Graduate School of Management, Northwestern University. 1991-1993, Associate Professor (MEDS), Kellogg Graduate School of Man- agement, Northwestern University. 1988-1991, Assistant Professor, (MEDS), Kellogg Graduate School of Man- agement, Northwestern University. Honors : Jean-Jacques La↵ont Prize, Toulouse School of Economics 2020. President, Game Theory Society, 2020-2022, Exec VP 2018-2020. Game Theory Society Fellow, elected 2017. John von Neumann Award, Rajk L´aszl´oCollege, 2015. Member of the National Academy of Sciences, elected 2015. Honorary Doctorate (Doctorat Honoris Causa), Aix-Marseille Universit´e, 2013. Dean’s Award for Distinguished Teaching in Humanities and Sciences, Stanford, 2013. Distinguished Teaching Award: Stanford Department of Economics, 2012. -
Brown Office of International Programs (OIP) Approved Program List
Brown Office of International Programs (OIP) Approved Program List Country Program Location Program Name Institution Timing Language Argentina Buenos Aires CIEE:IFSA-Butler: Facultad Argentine Latinoamericana Universities de CienciasProgram Sociales & Universidad de Buenos FacultadArgentine Latinoamericana Universities Program de Ciencias Sociales & Universidad Sem/Year Spanish Argentina Buenos Aires Aires de Buenos Aires Sem/Year Spanish Argentina Buenos Aires IES: Advanced Spanish Honors Program Advanced Spanish Honors Program Sem/Year Spanish Argentina Mendoza IFSA-Butler: Universidad Nacional de Cuyo Universidad Nacional de Cuyo Sem/Year Spanish Australia Brisbane Arcadia University: University of Queensland University of Queensland Sem/Year English Australia Brisbane University of Queensland - Direct Enrollment University of Queensland Sem/Year English Australia Brisbane IFSA-Butler: University of Queensland University of Queensland Sem/Year English Australia Cairns SIT: Australia- Rainforest, Reef, and Cultural Ecology SIT Field Station Semester English Australia Canberra Arcadia University: Australian National University Australian National University Sem/Year English Australia Canberra Australian National University - Direct Enrollment Australian National University Sem/Year English Australia Canberra IFSA-Butler: Australian National University Australian National University Sem/Year English Australia Hobart University of Tasmania, Hobart - Direct Enrollment University of Tasmania, Hobart Sem/Year English Australia Hobart IFSA-Butler: -
Koopmans in the Soviet Union
Koopmans in the Soviet Union A travel report of the summer of 1965 Till Düppe1 December 2013 Abstract: Travelling is one of the oldest forms of knowledge production combining both discovery and contemplation. Tjalling C. Koopmans, research director of the Cowles Foundation of Research in Economics, the leading U.S. center for mathematical economics, was the first U.S. economist after World War II who, in the summer of 1965, travelled to the Soviet Union for an official visit of the Central Economics and Mathematics Institute of the Soviet Academy of Sciences. Koopmans left with the hope to learn from the experiences of Soviet economists in applying linear programming to economic planning. Would his own theories, as discovered independently by Leonid V. Kantorovich, help increasing allocative efficiency in a socialist economy? Koopmans even might have envisioned a research community across the iron curtain. Yet he came home with the discovery that learning about Soviet mathematical economists might be more interesting than learning from them. On top of that, he found the Soviet scene trapped in the same deplorable situation he knew all too well from home: that mathematicians are the better economists. Key-Words: mathematical economics, linear programming, Soviet economic planning, Cold War, Central Economics and Mathematics Institute, Tjalling C. Koopmans, Leonid V. Kantorovich. Word-Count: 11.000 1 Assistant Professor, Department of economics, Université du Québec à Montréal, Pavillon des Sciences de la gestion, 315, Rue Sainte-Catherine Est, Montréal (Québec), H2X 3X2, Canada, e-mail: [email protected]. A former version has been presented at the conference “Social and human sciences on both sides of the ‘iron curtain’”, October 17-19, 2013, in Moscow. -
School Programme
FOURTEENTH CEPR/JIE CONFERENCE ON APPLIED INDUSTRIAL ORGANIZATION Hosted by University of Bologna Supported by University of Bologna Journal of Industrial Economics (JIE) CEPR Bologna; 22-25 May 2013 IO SCHOOL PROGRAMME WEDNESDAY 22 MAY 08.40 – 09.00 Welcoming Remarks Session 1: Chair: Jozsef Molnar (European Commission) 09.00 – 09.50 Pharmaceuticals, Incremental Innovation and Market Exclusivity *Nina Yin (Toulouse School of Economics) Discussant: Jozsef Molnar (European Commission) 09.50 – 10.40 The Effect of Uncertain Evaluations on Procurement Costs: Theory and Evidence from Design/Build Auctions *Hidenori Takahashi (University of Toronto) Discussant: Andrea Pozzi (Einaudi Institute for Economics and Finance) 10.40 – 11.00 Coffee Break Session 2: Chair: John Morrow (London School of Economics) 11.00 – 11.50 Two-sided Markets with Switching Costs and Heterogeneous Consumers *Wing Man Wynne Lam (Università di Bologna) Discussant: Vincenzo Denicolò (Università di Bologna and University of Leicester and CEPR) 11.50 – 12.40 Learning by Doing and Consumer Switching Cost *Yufeng Huang (Tilburg University) Discussant: Emanuele Tarantino (Università di Bologna) 12.40 – 14.10 Lunch 1 Session 3: Chair: Luca Lambertini (Università di Bologna) 14.10 – 15.00 Hotelling Meets Holmes: The Importance of Returns to Product Differentiation and Distribution Economies for the Firm's Optimal Location Choice *Anett Erdmann (Universidad Carlos III de Madrid) Discussant: Luca Lambertini (Università di Bologna) 15.00 – 15.50 Dynamic Discrete Choice Estimation -
A Beautiful Math : John Nash, Game Theory, and the Modern Quest for a Code of Nature / Tom Siegfried
A BEAUTIFULA BEAUTIFUL MATH MATH JOHN NASH, GAME THEORY, AND THE MODERN QUEST FOR A CODE OF NATURE TOM SIEGFRIED JOSEPH HENRY PRESS Washington, D.C. Joseph Henry Press • 500 Fifth Street, NW • Washington, DC 20001 The Joseph Henry Press, an imprint of the National Academies Press, was created with the goal of making books on science, technology, and health more widely available to professionals and the public. Joseph Henry was one of the founders of the National Academy of Sciences and a leader in early Ameri- can science. Any opinions, findings, conclusions, or recommendations expressed in this volume are those of the author and do not necessarily reflect the views of the National Academy of Sciences or its affiliated institutions. Library of Congress Cataloging-in-Publication Data Siegfried, Tom, 1950- A beautiful math : John Nash, game theory, and the modern quest for a code of nature / Tom Siegfried. — 1st ed. p. cm. Includes bibliographical references and index. ISBN 0-309-10192-1 (hardback) — ISBN 0-309-65928-0 (pdfs) 1. Game theory. I. Title. QA269.S574 2006 519.3—dc22 2006012394 Copyright 2006 by Tom Siegfried. All rights reserved. Printed in the United States of America. Preface Shortly after 9/11, a Russian scientist named Dmitri Gusev pro- posed an explanation for the origin of the name Al Qaeda. He suggested that the terrorist organization took its name from Isaac Asimov’s famous 1950s science fiction novels known as the Foun- dation Trilogy. After all, he reasoned, the Arabic word “qaeda” means something like “base” or “foundation.” And the first novel in Asimov’s trilogy, Foundation, apparently was titled “al-Qaida” in an Arabic translation. -
Nine Takes on Indeterminacy, with Special Emphasis on the Criminal Law
University of Pennsylvania Carey Law School Penn Law: Legal Scholarship Repository Faculty Scholarship at Penn Law 2015 Nine Takes on Indeterminacy, with Special Emphasis on the Criminal Law Leo Katz University of Pennsylvania Carey Law School Follow this and additional works at: https://scholarship.law.upenn.edu/faculty_scholarship Part of the Criminal Law Commons, Law and Philosophy Commons, and the Public Law and Legal Theory Commons Repository Citation Katz, Leo, "Nine Takes on Indeterminacy, with Special Emphasis on the Criminal Law" (2015). Faculty Scholarship at Penn Law. 1580. https://scholarship.law.upenn.edu/faculty_scholarship/1580 This Article is brought to you for free and open access by Penn Law: Legal Scholarship Repository. It has been accepted for inclusion in Faculty Scholarship at Penn Law by an authorized administrator of Penn Law: Legal Scholarship Repository. For more information, please contact [email protected]. ARTICLE NINE TAKES ON INDETERMINACY, WITH SPECIAL EMPHASIS ON THE CRIMINAL LAW LEO KATZ† INTRODUCTION ............................................................................ 1945 I. TAKE 1: THE COGNITIVE THERAPY PERSPECTIVE ................ 1951 II. TAKE 2: THE MORAL INSTINCT PERSPECTIVE ..................... 1954 III. TAKE 3: THE CORE–PENUMBRA PERSPECTIVE .................... 1959 IV. TAKE 4: THE SOCIAL CHOICE PERSPECTIVE ....................... 1963 V. TAKE 5: THE ANALOGY PERSPECTIVE ................................. 1965 VI. TAKE 6: THE INCOMMENSURABILITY PERSPECTIVE ............ 1968 VII. TAKE 7: THE IRRATIONALITY-OF-DISAGREEMENT PERSPECTIVE ..................................................................... 1969 VIII. TAKE 8: THE SMALL WORLD/LARGE WORLD PERSPECTIVE 1970 IX. TAKE 9: THE RESIDUALIST PERSPECTIVE ........................... 1972 CONCLUSION ................................................................................ 1973 INTRODUCTION The claim that legal disputes have no determinate answer is an old one. The worry is one that assails every first-year law student at some point. -
Large Games: Structural Robustness
1 Large games: structural robustness Ehud Kalai Northwestern University Forthcoming in The New Palgrave Dictionary of Economics , 2 nd edition, Palgrave Macmillan ABSTRACT In simultaneous-move Bayesian games with many semi-anonymous players all the equilibria are structurally robust. The equilibria survive under structural alterations of the rules of the game and its information structure, even when the game is embedded in bigger games. Structural robustness implies ex-post Nash condition s and a stronger condition of information proofness. It also implies fast learning, self-purification and strong rational expectations in market games. Structurally robust equilibria may be used to model games with highly unspecified structures, such as games played on the web. 0. Background on large games Earlier literature on large (many players) cooperative games is surveyed in Aumann and Shapley (1974). For large strategic games, see Schmeidler (1973) and the follow-up literature on the purification of Nash equilibria. There is also substantial literature on large games with special structures, for example large auctions as reported in Rustichini, Satterthwaite, and Williams (1994). Unlike the above, this survey concentrates on the structural robustness of (general) Bayesian games with many semi-anonymous players, as developed in Kalai (2004, 2005). (For additional notions of robustness in game theory, see Bergemann and Morris, 2005). 1. Main message and examples In simultaneous-move Bayesian games with many semi-anonymous players, all Nash equilibria are structurally robust. The equilibria survive under structural alterations that 2 relax the simultaneous-play assumptions, and permit information transmission, revisions of choices, communication, commitments, delegation, and more. Large economic and political systems and distributive systems such as the Web are examples of environments that give rise to such games.