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Christophe BRAVARD

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Documents

Presentation

**Professor Grenoble Alpes University** **Research at Grenoble Applied Economics Laboratory (GAEL)** **[Institutional webpage](https://gael.univ-grenoble-alpes.fr/people/christophe-bravard?language=en)** ### ---- **Areas of expertise** Economic Theory **Key words** Network formation **Teaching** Microeconomics, Game theory, Industrial organization. **Current Position** Full Professor **Research Interests** \- Existence and characterization of equilibrium networks \- Network formation game in industrial organization and public economics
**Professeur Université Grenoble Alpes** **Chercheur au Laboratoire d'économie appliquée de Grenoble (GAEL)** **[Page institutionnelle](https://gael.univ-grenoble-alpes.fr/membres/christophe-bravard)** ### --- **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

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
Journal articles halshs-02056322v1

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⟩
Journal articles halshs-01660674v1
Image document

Optimal Design and Defense of Networks Under Link Attacks

Christophe Bravard , Liza Charroin , Corinne Touati
Journal of Mathematical Economics, 2017, 68, pp. 62-79. ⟨10.2139/ssrn.2631443⟩
Journal articles hal-01384998v1

Network connectivity under node failure

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

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⟩
Journal articles halshs-01212135v1

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⟩
Journal articles hal-01845679v1

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⟩
Journal articles halshs-01212128v1

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⟩
Journal articles hal-01122998v1

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⟩
Journal articles hal-02648002v1

Modeling Resource Flow Asymmetries using Condensation Networks

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

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⟩
Journal articles halshs-00728199v1

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⟩
Journal articles halshs-00667684v1

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⟩
Journal articles halshs-00728035v1

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⟩
Journal articles halshs-00764646v1

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⟩
Journal articles halshs-00617713v1

The Insider-Outsider Model Reexamined

Christophe Bravard , Pascal Billand , Sudipta Sarangi
Games, 2010, 1, pp.422-437
Journal articles halshs-00537323v1
Image document

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
Journal articles ujm-00121658v1

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⟩
Journal articles hal-00372481v1

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
Conference papers halshs-01612213v1

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
Conference papers halshs-02006197v1

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
Conference papers halshs-02086709v1

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
Conference papers halshs-01411520v1

Uncertain innovation and R&D network formation

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

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
Conference papers halshs-02061995v1

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
Conference papers halshs-01196079v1

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
Conference papers halshs-02062049v1

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
Conference papers halshs-02062128v1

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
Conference papers halshs-02061868v1

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
Conference papers halshs-01261515v1

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
Conference papers halshs-02061897v1

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
Conference papers halshs-02061949v1

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
Conference papers halshs-02061835v1

Mutual Insurance Networks in Communities

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

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
Conference papers halshs-00878931v1

Risk Sharing in Communities

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

Mutual Insurance Networks within Communities

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

Collaborative Oligopoly in Price Competition

Pascal Billand , Christophe Bravard , Sudipta Sarangi , Myrna H. Wooders
European Seminar EuroLIO 2012, Jan 2012, Saint-Etienne, France
Conference papers halshs-00678856v1

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
Conference papers halshs-00590315v1

Networks of Collaboration in Multi-market Oligopolies

Pascal Billand , Christophe Bravard , Sudipta Sarangi , Subhadip Chakrabarti
Congrès ROADEF 2011, Mar 2011, Saint-Etienne, France
Conference papers halshs-00590317v1

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
Conference papers halshs-00672351v1

Extending networks of Collaborations to Multimarket Oligopolies

Christophe Bravard , Pascal Billand , Subhadip Chakrabarti , Sudipta Sarangi
IFIP, Oct 2010, Saint-Etienne, France
Conference papers halshs-00537326v1

Nash Networks with Imperfect Reliability and Heterogeneous Players

Pascal Billand , Christophe Bravard , Sudipta Sarangi
PET (Public Economic Theory) Conference, Jun 2010, Istambul, Turkey
Conference papers hal-00494199v1
Image document

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⟩
Conference papers hal-01055920v1

Axiomatization of Non cooperative networks

Christophe Bravard , Pascal Billand , Sudipta Sarangi
Network formation, Mar 2010, Louisiana State university, United States
Conference papers halshs-00537332v1

Spying in multi-market oligopolies.

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

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
Conference papers hal-00332685v1

Heterogeneity and links imperfections

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

Heterogeneity and link imperfections in networks

Pascal Billand , Christophe Bravard , Sudipta Sarangi
séminaire Queen's University, Apr 2008, Belfast, Ireland
Conference papers hal-00332665v1

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
Conference papers hal-00332669v1
Image document

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
Conference papers ujm-00137238v1

Existence of Nash networks in one-way flow models

Pascal Billand , Christophe Bravard
Amercian Economic Association Annual Conference, Jan 2007, Chicago, United States
Conference papers ujm-00162471v1

Formation of cooperative networks

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

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
Conference papers hal-00375333v1

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
Conference papers hal-00375233v1

Noncooperative Networks Formation and Multimarket

Pascal Billand , Christophe Bravard
Recent Developments in Strategic Network Formation, May 2005, Mannheim, Germany
Conference papers hal-00375461v1

Nash Networks formation in one way flow models

Pascal Billand , Christophe Bravard
Séminaire de la Queen's University of Belfast, Dec 2005, Belfast, Ireland
Conference papers hal-00375566v1

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
Book sections halshs-00527543v1