Christophe BRAVARD

73
Documents

Présentation

Professeur Université Grenoble Alpes

Chercheur au Laboratoire d'économie appliquée de Grenoble (GAEL)

Page institutionnelle

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Parcours

  • 2012 - Professeur des Universités, Université Grenoble 2
  • 2003-2012 - Maître de Conférence, Université de Saint-Etienne

Thèmes de recherche

- Existence et caractérisation des équilibres dans les jeux de formation de réseaux

- Application des jeux de formation de réseaux en économie industrielle, économie publique

Domaine d'application et expertise

Économie théorique

Mots clefs

Formation des réseaux

Enseignements

Microéconomie, Théorie des jeux, Économie industrielle.

Publications

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Publications

Group Dominant Networks and Convexity

Christophe Bravard , Sudipta Sarangi , Hector Tzavellas
Journal of Mathematical Economics, 2025, 118, pp.103116. ⟨10.1016/j.jmateco.2025.103116⟩
Article dans une revue hal-05021148 v1
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False Information from Near and Far

Christophe Bravard , Jacques Durieu , Sudipta Sarangi , Stéphan Sémirat
Games and Economic Behavior, 2023, 137, pp.152-174. ⟨10.1016/j.geb.2022.11.002⟩
Article dans une revue hal-03850289 v1
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Should the police give priority to violence within criminal organizations? A personnel economics perspective

Christophe Bravard , Jacques Durieu , Jurjen Kamphorst , Sebastian Roché , Stéphan Sémirat
Journal of Public Economic Theory, 2023, 25 (6), pp.1361-1393. ⟨10.1111/jpet.12666⟩
Article dans une revue hal-04217121 v1
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A Model of the Formation of Multilayer Networks

Pascal Billand , Christophe Bravard , Sumit Joshi , Ahmed Saber Mahmud , Sudipta Sarangi
Journal of Economic Theory, 2023, 213, pp.105718. ⟨10.1016/j.jet.2023.105718⟩
Article dans une revue halshs-04192333 v1

Firm heterogeneity and the pattern of R&D collaborations

Pascal Billand , Christophe Bravard , Jacques Durieu , Sudipta Sarangi
Economic Inquiry, 2019, 57 (October - 4), pp.1896-1914. ⟨10.1111/ecin.12789⟩
Article dans une revue halshs-02056322 v1
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Optimal Design and Defense of Networks Under Link Attacks

Christophe Bravard , Liza Charroin , Corinne Touati
Journal of Mathematical Economics, 2017, 68, pp.62-79. ⟨10.1016/j.jmateco.2016.11.006⟩
Article dans une revue hal-01384998 v1

Network formation when players seek confirmation of information

Pascal Billand , Christophe Bravard , Jurjen Kamphorst , Sudipta Sarangi
Mathematical Social Sciences, 2017, 89, pp. 20-31. ⟨10.1016/j.mathsocsci.2017.05.004⟩
Article dans une revue halshs-01660674 v1

Business intelligence and multimarket competition

Pascal Billand , Christophe Bravard , Subhadip Chakrabarti , Sudipta Sarangi
Journal of Public Economic Theory, 2016, Special Issue: "Networks and externalities", 18 (2), pp.248-267. ⟨10.1111/jpet.12180⟩
Article dans une revue halshs-01212135 v1

Network connectivity under node failure

Pascal Billand , Christophe Bravard , Sitharama S. Iyengar , Rajnish Kumar , Sudipta Sarangi
Economics Letters, 2016, 149 (December), pp.164-167. ⟨10.1016/j.econlet.2016.10.028⟩
Article dans une revue hal-01404559 v1

Introduction to the Special Issue on Networks and Externalities

Christophe Bravard , Sudipta Sarangi
Journal of Public Economic Theory, 2016, 18 (2), pp.143 - 147. ⟨10.1111/jpet.12187⟩
Article dans une revue istex hal-01845679 v1

Efficient networks for a class of games with global spillovers

Pascal Billand , Christophe Bravard , Jacques Durieu , Sudipta Sarangi
Journal of Mathematical Economics, 2015, 61 (December), pp.203-210. ⟨10.1016/j.jmateco.2015.06.019⟩
Article dans une revue halshs-01212128 v1

A note on networks of collaboration in multi-market oligopolies

Pascal Billand , Christophe Bravard , Subhadip Chakrabarti , Sudipta Sarangi
Annals of Regional Science, 2014, 53 (2), pp.325-335. ⟨10.1007/s00168-013-0577-x⟩
Article dans une revue hal-01122998 v1

Modeling Resource Flow Asymmetries using Condensation Networks

Pascal Billand , Christophe Bravard , Sudipta Sarangi
Social Choice and Welfare, 2013, 41 (3), pp. 537-549
Article dans une revue halshs-00728194 v1

A note on local spillovers, convexity, and the strategic substitutes property in networks

Pascal Billand , Christophe Bravard , Sudipta Sarangi
Theory and Decision, 2013, 75 (2), pp.293-304. ⟨10.1007/s11238-012-9328-1⟩
Article dans une revue istex halshs-00728199 v1

Modeling resource flow asymmetries using condensation networks

Pascal Billand , Christophe Bravard , Sudipta Sarangi
Social Choice and Welfare, 2013, 41 (3), pp.537-549. ⟨10.1007/s00355-012-0697-8⟩
Article dans une revue istex hal-02648002 v1

Directed networks with spillovers

Pascal Billand , Christophe Bravard , Sudipta Sarangi
Journal of Public Economic Theory, 2012, 14 (6), pp.849-878. ⟨10.1111/jpet.12000⟩
Article dans une revue halshs-00667684 v1

Existence of Nash Networks and Partner Heterogeneity

Pascal Billand , Christophe Bravard , Sudipta Sarangi
Mathematical Social Sciences, 2012, 64 (2), pp.152-158. ⟨10.1016/j.mathsocsci.2012.01.001⟩
Article dans une revue istex halshs-00728035 v1

On the Interaction between Heterogeneity and Decay in Two-way Flow Models

Pascal Billand , Christophe Bravard , Sudipta Sarangi
Theory and Decision, 2012, 73 (4), pp.525-538. ⟨10.1007/s11238-011-9279-y⟩
Article dans une revue istex halshs-00764646 v1

Strict Nash networks and partner heterogeneity

Pascal Billand , Christophe Bravard , Sudipta Sarangi
International Journal of Game Theory, 2011, 40 (3), pp.515-525. ⟨10.1007/s00182-010-0252-8⟩
Article dans une revue istex halshs-00617713 v1

The Insider-Outsider Model Reexamined

Christophe Bravard , Pascal Billand , Sudipta Sarangi
Games, 2010, 1, pp.422-437
Article dans une revue halshs-00537323 v1
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Les modèles de comportements adaptatifs appliqués à l'oligopole de Cournot

Pascal Billand , Christophe Bravard
Revue d'économie industrielle , 2006, 114-115, pp.161-183
Article dans une revue ujm-00121658 v1

A Note on the Characterization of Nash Networks

Pascal Billand , Christophe Bravard
Mathematical Social Sciences, 2005, 49 (3), pp.355-365. ⟨10.1016/j.mathsocsci.2004.10.003⟩
Article dans une revue istex hal-00372481 v1
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Price of Censorship of a Policy removing Misinformation in a Social Network

Jérémy Petithomme , Corinne Touati , Christophe Bravard
ALLERTON 2024 - 60th Annual Allerton Conference on Communication, Control, and Computing, Sep 2024, Urbana (Illinois), United States. pp.1-8
Communication dans un congrès hal-04713618 v1

Mutual Insurance Networks and Unequal Resource Sharing in Communities

Pascal Billand , Christophe Bravard , Sudipta Sarangi , Stéphan Sémirat
Workshop on networks: dynamics, information, centrality and games, Centre d'Economie de la Sorbonne, May 2017, Paris, France
Communication dans un congrès halshs-02006197 v1

Mutual Insurance Networks and Unequal Resource Sharing in Communities

Pascal Billand , Christophe Bravard , Sudipta Sarangi
18th meeting of the Association for Public Economic Theory (PET 2017), Jul 2017, Paris, France
Communication dans un congrès halshs-01612213 v1

Optimal design and defense of networks under link attacks

Christophe Bravard , Liza Charroin , Corinne Touati
Workshop : "Games and Optimization", MODMAD (MODélisation Mathématique et Aide à la Décision), ANR Dynamite and GATE Lyon Saint-Etienne., Nov 2016, Ecully, France
Communication dans un congrès halshs-01411520 v1

Network formation when agents seek confirmation of information

Pascal Billand , Christophe Bravard , Jurjen Kamphorst , Sudipta Sarangi
International Workshop OSE/DynaMITE : "Strategic Interactions, Information Transmission and Externalities in Networks", May 2016, Paris, France
Communication dans un congrès halshs-02086709 v1

Uncertain innovation and R&D network formation

Pascal Billand , Christophe Bravard , Jacques Durieu , Sudipta Sarangi
Economics Friday Seminar Series - Auburn University, Auburn University, Nov 2015, Auburn, United States
Communication dans un congrès halshs-02062049 v1

Mutual insurance networks and unequal resource sharing in communities

Pascal Billand , Christophe Bravard , Jacques Durieu , Sudipta Sarangi
CEREC Workshop in economics, Auburn University, May 2015, Auburn, United States
Communication dans un congrès halshs-02062128 v1

Uncertain innovation and R&D network formation

Pascal Billand , Christophe Bravard , Jacques Durieu , Sudipta Sarangi
PET15 - Annual meeting of the Association for Public Economic Theory, Association for Public Economic Theory (APET), Jul 2015, Luxembourg, Luxembourg
Communication dans un congrès halshs-02061868 v1

Uncertain innovation and R&D network formation

Pascal Billand , Christophe Bravard , Jacques Durieu , Sudipta Sarangi
Royal Economic Society Conference, Mar 2015, Manchester, United Kingdom
Communication dans un congrès halshs-02062186 v1

Price competition in collaborative oligopolies

Pascal Billand , Christophe Bravard , Sudipta Sarangi , Myrna H. Wooders
Conference : "Information transmission in networks" - Harvard University, Coalition Theory Network, May 2015, Cambridge (MA), United States
Communication dans un congrès halshs-02061995 v1

Mutual insurance networks and unequal resource sharing in communities

Pascal Billand , Christophe Bravard , Sudipta Sarangi
Econometric Society World Congress 2015, Université McGill [Montréal]. CAN., Aug 2015, Montréal, Canada
Communication dans un congrès halshs-01196079 v1

Uncertain Innovation and R&D Network Formation

Pascal Billand , Christophe Bravard , Jacques Durieu , Sudipta Sarangi
School of Economics, University College Dublin, Nov 2015, Dublin, Ireland
Communication dans un congrès halshs-01261515 v1

Network formation when agents seek confirmation of information

Pascal Billand , Christophe Bravard , Jurjen Kamphorst , Sudipta Sarangi
Coalition Theory Network Workshop, Coalition Theory Network (CET), Jan 2014, Bruxelles, Belgium
Communication dans un congrès halshs-02061835 v1

Network formation when agents seek confirmation of information

Pascal Billand , Christophe Bravard , Jurjen Kamphorst , Sudipta Sarangi
2014 Asian Meeting of the Econometric Society, Econometric Society, Jun 2014, Taipei, Taiwan
Communication dans un congrès halshs-02061949 v1

Uncertain innovation and R&D network formation

Pascal Billand , Christophe Bravard , Jacques Durieu , Sudipta Sarangi
10th Annual conference on economic growth and development, Indian Statistical Institute (ISI), Dec 2014, Delhi, India
Communication dans un congrès halshs-02061897 v1

Mutual Insurance Networks in Communities

Pascal Billand , Christophe Bravard , Sudipta Sarangi
Coalition Theory Network (CTN) workshop, Université de Warwick, Feb 2013, Coventry, United Kingdom
Communication dans un congrès halshs-00783102 v1

Confirming Information flows in Networks

Pascal Billand , Christophe Bravard , J. Kamphorst , Sudipta Sarangi
Workshop Socio-Economic Networks (Indian Institute for Technology, Jodhpur), Oct 2013, Jodhpur, India
Communication dans un congrès halshs-00878931 v1

Risk Sharing in Communities

Pascal Billand , Christophe Bravard , Sudipta Sarangi
Networks and Development Conference, Louisiana State University, Mar 2012, Baton Rouge, United States
Communication dans un congrès halshs-00764707 v1

Mutual Insurance Networks within Communities

Pascal Billand , Christophe Bravard , Sudipta Sarangi
NSF Networks and Development Conference, Mar 2012, Baton Rouge, United States
Communication dans un congrès halshs-00702175 v1

Collaborative Oligopoly in Price Competition

Pascal Billand , Christophe Bravard , Sudipta Sarangi , Myrna H. Wooders
European Seminar EuroLIO 2012, Jan 2012, Saint-Etienne, France
Communication dans un congrès halshs-00678856 v1

Existence of Nash Networks and Partner Heterogeneity

Pascal Billand , Christophe Bravard , Sudipta Sarangi
Bargaining, Evolution and Networks: A conference in Honor of Hans Haller, Feb 2011, Bâton Rouge, United States
Communication dans un congrès halshs-00590315 v1

Networks of Collaboration in Multi-market Oligopolies

Pascal Billand , Christophe Bravard , Sudipta Sarangi , Subhadip Chakrabarti
Congrès ROADEF 2011, Mar 2011, Saint-Etienne, France
Communication dans un congrès halshs-00590317 v1

Confirming information flows in networks

Pascal Billand , Christophe Bravard , Sudipta Sarangi , J. Kamphorst
7th Spain-Italy-Netherlands Meeting on Game Theory (SING 7), Jul 2011, Paris, France
Communication dans un congrès halshs-00672351 v1

Axiomatization of Non cooperative networks

Christophe Bravard , Pascal Billand , Sudipta Sarangi
Network formation, Mar 2010, Louisiana State university, United States
Communication dans un congrès halshs-00537332 v1

Extending networks of Collaborations to Multimarket Oligopolies

Christophe Bravard , Pascal Billand , Subhadip Chakrabarti , Sudipta Sarangi
IFIP, Oct 2010, Saint-Etienne, France
Communication dans un congrès halshs-00537326 v1

Nash Networks with Imperfect Reliability and Heterogeneous Players

Pascal Billand , Christophe Bravard , Sudipta Sarangi
PET (Public Economic Theory) Conference, Jun 2010, Istambul, Turkey
Communication dans un congrès hal-00494199 v1
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Extending Networks of Collaboration to Multi-market Oligopolies

Pascal Billand , Christophe Bravard , Subhadip Chakrabarti , Sudipta Sarangi
11th IFIP WG 5.5 Working Conference on Virtual Enterprises (PRO-VE), Oct 2010, Saint-Etienne, France. pp.765-772, ⟨10.1007/978-3-642-15961-9_90⟩
Communication dans un congrès hal-01055920 v1

Spying in multi-market oligopolies.

Pascal Billand , Christophe Bravard , Subhadip Chakrabarti , Sudipta Sarangi
Coalition Theory Network (CTN) Workshop, Jun 2010, Marseille, France
Communication dans un congrès halshs-00537566 v1

Partners heterogeneity in the two-way flow model

Pascal Billand , Christophe Bravard , Sudipta Sarangi
3rd World Congress of the Game Theory, Jul 2008, Evanston (Illinois), United States
Communication dans un congrès hal-00332669 v1

Heterogeneity and link imperfections in networks

Pascal Billand , Christophe Bravard , Sudipta Sarangi
séminaire Queen's University, Apr 2008, Belfast, Ireland
Communication dans un congrès hal-00332665 v1

Heterogeneity and links imperfections

Pascal Billand , Christophe Bravard , Sudipta Sarangi
3rd World Congress of the Game Theory Society, Jul 2008, Evanston (Illinois), United States
Communication dans un congrès hal-00332673 v1

Corporate espionage

Pascal Billand , Christophe Bravard , Sudipta Sarangi , Subhadip Chakrabarty
The Greqam summer School : The Economic of Knowledge : Innovation and Networks, Oct 2008, Aix en Provence, France
Communication dans un congrès hal-00332685 v1
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Network Effects in R&D Partnership Evidence from the European Collaborations in Micro and Nanotechnologies

Corinne Autant-Bernard , Pascal Billand , Christophe Bravard , Nadine Massard
DIME - Workshop on "Interdependencies of interactions in local and sectoral innovation systems", Mar 2007, IENA, France
Communication dans un congrès ujm-00137238 v1

Existence of Nash networks in one-way flow models

Pascal Billand , Christophe Bravard
Amercian Economic Association Annual Conference, Jan 2007, Chicago, United States
Communication dans un congrès ujm-00162471 v1

Nash networks in one-way flow models

Pascal Billand , Christophe Bravard
8th International Meeting of the Society for Social Choice and Welfare, Jul 2006, Istambul, Turkey
Communication dans un congrès hal-00375233 v1

Formation of cooperative networks

Corinne Autant-Bernard , Pascal Billand , Christophe Bravard , Nadine Massard
ADRES International Conference, Sep 2006, Saint-Etienne, France
Communication dans un congrès hal-00375219 v1

Network effects in R&D partnership : Evidence from the European collaborations in micro and nanotechnologie

Corinne Autant-Bernard , Pascal Billand , Christophe Bravard , Nadine Massard
GOSPI, IPI 2006, Nov 2006, Allevard, France
Communication dans un congrès hal-00375333 v1

Nash Networks formation in one way flow models

Pascal Billand , Christophe Bravard
Séminaire de la Queen's University of Belfast, Dec 2005, Belfast, Ireland
Communication dans un congrès hal-00375566 v1

Noncooperative Networks Formation and Multimarket

Pascal Billand , Christophe Bravard
Recent Developments in Strategic Network Formation, May 2005, Mannheim, Germany
Communication dans un congrès hal-00375461 v1

Extending Networks of Collaboration to Multi-market Oligopolies

Christophe Bravard , Pascal Billand , Subhadip Chakrabarti , Sudipta Sarangi
Luis M. Camarinha-Matos, Xavier Boucher, Hamideh Afsarmanesh (eds.). Collaborative Networks for a Sustainable World, 336, Springer, pp.765-772, 2010, IFIP AICT 336
Chapitre d'ouvrage halshs-00527543 v1