o “Volatility, Labor Market Flexibility and Comparative Advantage” (joint with Alejandro Cunat), NBER Working Paper #13062. [PDF]
o “Endogenous Entry, Product Variety, and Business Cycles” (joint with Fabio Ghironi and Florin Bilbiie). [PDF]
o “Monopoly Power and Endogenous Variety in Dynamic Stochastic General Equilibrium: Distortions and Remedies” (joint with Fabio Ghironi and Florin Bilbiie). [PDF]
o “The Dynamics of Firm-Level Adjustment to Trade Liberalization” (joint with James Costantini). [PDF]
o “The Impact of Trade on Intra-Industry Reallocations and Aggregate Industry Productivity”, Econometrica, Vol. 71, November 2003, pp. 1695-1725. [PDF] [Additional Appendix]
o “Export Versus FDI with Heterogeneous Firms” (joint with Elhanan Helpman and Stephen Yeaple), American Economic Review, Vol. 94, March 2004, pp. 300-316. [PDF]
o “When and How Should Infant Industries Be Protected?”, Journal of International Economics, Vol. 66, May 2005, pp. 177-196. [PDF]
o “International Trade and Macroeconomic Dynamics with Heterogeneous Firms” (joint with Fabio Ghironi), Quarterly Journal of Economics, Vol. 120, August 2005, pp. 865-915. [PDF] [Technical Appendix]
o “Market Size, Trade, and Productivity” (joint with Gianmarco Ottaviano), Review of Economic Studies, Vol. 75, January 2008, pp.295-316. [PDF]
o “Estimating Trade Flows: Trading Partners and Trading Volumes” (joint with Elhanan Helpman and Yona Rubinstein), Quarterly Journal of Economics, Vol. 123, May 2008, pp. 441-487. [PDF] data
o “Monetary Policy and Business Cycles with Endogenous Entry and Product Variety” (joint with Florin Bilbiie and Fabio Ghironi), NBER Macroeconomics Annual 2007, Vol. 22. [PDF]
o “Trade Flow Dynamics with Heterogeneous Firms” (joint with Fabio Ghironi), American Economic Review P&P, Vol. 97, May 2007, pp.356-361. [PDF] [Longer WP version]
o “International Trade and Heterogeneous Firms”, New Palgrave Dictionary of Economics, 2nd Edition, forthcoming. [PDF]
o “Firm Productivity Estimation in Differentiated Product Industries” [PDF]