Articles
Firm Fragmentation and Urban Patterns (with Pierre-Daniel Sarte and Raymond Owens III), International Economic Review (2009)
External Economies and International Trade Redux (with Gene Grossman), Forthcoming in the Quarterly Journal of Economics (2009)
Trading Tasks: A Simple Theory of Offshoring (with Gene Grossman), American Economic Review (2008)
Establishment Size Dynamics in the Aggregate Economy (with Mark L. J. Wright), American Economic Review (2007)
Organization and Inequality in a Knowledge Economy (with Luis Garicano), Quarterly Journal of Economics (2006)
Specialization versus Concentration: A Note on Theory and Evidence (with Karl Aiginger), Empirica (2006)
The Knowledge Economy at the turn of the Twentieth Century: The Emergence of Hierarchies (with Luis Garicano), Journal of the European Economic Association P&P (2006)
Offshoring in a Knowledge Economy (with Pol Antras and Luis Garicano), Quarterly Journal of Economics (2006)
Inequality and the Organization of Knowledge (with Luis Garicano), American Economic Review P&P (2004)
Books