Group Formation and Social Networks
"Similarity and Polarization in Groups" with Leeat Yariv, submitted, August 2008, Abstract
"Team Formation with Externalities" with Leeat Yariv, work in progress, September 2008, Abstract
"A Field Study of Matching with Externalities" with Ayse Imrohoroglu and Leeat Yariv, work in progress, August 2008, Abstract
Information Leakage in Organizations and Networks
"How to Organize Crime" with Heski Bar-Isaac, Review of Economic Studies, Vol. 75, Issue 4, pp. 1039-1067, October 2008, Awarded EEA 2005 Young Economist Award, Reviewed in Smarteconomist.com (October 11, 2006), Abstract
"Interrogation Methods and Terror Networks" with Heski Bar-Isaac, forthcoming in "Mathematical Methods in Counterterrorism," edited by N. Memon, J. D. Farley, D. L Hicks, and T. Rosenorn, Springer Ed., February 2008, Abstract
Innovation and Information Leakage with Imperfect Intellectual Property Rights
"Bargaining over New Ideas: Rent Distribution and Stability of Innovative Firms" with Ronny Razin, lead article, Journal of the European Economics Association, December 2007, Vol 5, Issue 6, pp.1095-1129, First version: November 2001, Abstract
"The Relationship between Innovation and Governance" with Ronny Razin, under revision for Journal of Economics and Management Strategy, This version: May 2006, New version: Fall 2008, Abstract
"From Thought to Practice: Appropriation and Endogenous Market Structure with Imperfect Intellectual Property Rights" with Ronny Razin, First version: November 2001, This version: May 2004, Abstract, outdated
R&D Investment and Market Structure
"Outsourcing,
Information Leakage and Consulting Firms" RAND Journal Of Economics, Volume 38, No. 1, Spring 2007Abstract, Web Appendix
"Subsidies, Entry and the Distribution of R&D Investment", with John Asker, First version: January 2007, This version: November 2008, resubmitted to International Journal of Industrial Organization, Abstract
Other papers
"Effective Securities in Arbitrage-Free Markets with Bid-Ask Spreads at Liquidation: a Linear Programming Characterization" with Anna Battauz and Fulvio Ortu, Journal of Economic Dynamics and Control, Vol.30(1), January 2006, pp.55-79, Abstract