Selected Articles

Networks

• The Law of the Few, 2010, American Economic Review, (with A. Galeotti)
• Keeping up with Neighbors: Social Interactions in a Market Economy, 2010, JEEA, (with C.Ghiglino)
• Matching and Network effects, 2010, JEEA, (with M. Fafchamps and M. van der leij)
• Network Games, 2010. Review of Economic Studies, (with A. Galeotti, M. O. Jackson, F. Vega-Redondo and L. Yariv)
• Structural holes in social networks, 2007, Journal of Economic Theory (with F. Vega-Redondo)
• Unequal connections, 2006, International Journal of Game Theory (with S. Joshi).
• Economics: an emerging small world, 2006, Journal of Political Economy (with J.L. Moraga, M.van der Leij)
• Bilateralism and Free Trade, 2006, International Economic Review (with S. Joshi)
• Network formation with heterogeneous players, 2006, Games & Econ Behavior (with A. Galeotti, J. Kamphorst)
• Strong and weak links, 2005, JEEA. 
• A non-cooperative model of network formation, 2000, Econometrica (with V. Bala).

Industrial Organization

• Influencing the Infuencers, 2009, Rand Journal of Economics, (with A. Galeotti).
• Hybrid R&D. 2008, JEEA, (with J.L.Moraga and A. Konovalov).
• Networks of collaboration in oligopoly, 2003, Games & Econ. Behavior (with S. Joshi).
• R&D networks, 2001, Rand Journal of Economics (with J.L. Moraga).
• Technological change in markets with network externalities, 1994, Int. J. of Industrial. Organization (with P. de Bijl).

Social Learning

• Learning in networks, 2011, Handbook of  Mathematical Economics (eds) J. Benhabib, A. Bisin and M.O. Jackson.
• Learning from neighbours, 1998, Review of Economic Studies (with V.Bala).
• A Theory of Learning with Heterogeneous Agents, 1995, International Economic Review (with V. Bala).
• The Birth of a New Market,  1994, Economic Journal (with V. Bala).

Coordination Problems

• Network formation and social coordination, 2005, Games & Econ. Behavior (with F.Vega-Redondo)
• Costs of Flexibility and Equilibrium Selection, 1997,  Journal of Math. Economics  (with B. Galesloot).
• Non-Exclusive Conventions and Social Coordination,  1997,  Journal of Economic Theory (with M. Janssen).
• Interaction Structure and Social Change, 1996, Journal of Institutional and Theoretical Economics.
   

Public economics/political economy

• The political economy of regionalism, 2004, European Economic Review (with K. Staal),  
• Group Size and Collective Action: Third Party Monitoring in Common Pool Resources,  2001,  Comparative Political Studies (with A. Agrawal).

Surveys

• Social Networks on the Web, 2012, forthcoming, Oxford Handbook of the Digital Economy, (eds) Martin Peitz and Joel Waldfogel.
• Social networks in economics, 2011, in Sage Handbook of Social Network Analysis, edited by J. Scott and P. Carrington.
• Learning in networks, 2005,  in `Group Formation in Economics' (eds) G. Demange and M.Wooders. CUP.
• Firms, networks and markets 2003,  Review Economique Industrielle.  (with J.L. Moraga-Gonzales).