Samuel Kortum
James Burrows Moffatt Professor of Economics, Yale University

office address
37 Hillhouse Ave., Room 6
Yale University
New Haven, CT





Frank D Graham Lecture 
Princeton, 2019
"In Search of 
Trade Frictions"

Onassis Prize Lecture 
London, 2018
"Ricardo Lives On"

SED Plenary Lecture
Warsaw, 2015
"New Terrain in International Trade"

Tribute to Bob Evenson
New Haven, 2008
"Building on Evenson and Kislev"

"Optimal Unilateral Carbon Policy"

with David Weisbach

"Trade in Goods and Trade in Services"
in Lili Yan Ing and Miaojie Yu, eds., World Trade Evolution: Growth, Productivity, and Employment, Routledge, 2019, pp. 82-125.
with Jonathan Eaton
[Download PDF]

"Obstfeld and Rogoff's International Macro Puzzles: A Quantitative Assessment"
Journal of Economic Dynamics and Control (2016) Vol. 72, pp. 5-23
with Jonathan Eaton, and Brent Neiman
[Download PDF]

"Trade and the Global Recession"
American Economic Review (2016) Vol. 106, No. 11, pp. 3401-3438  
with Jonathan Eaton, Brent Neiman, and John Romalis
[Download PDF]    [Download Appendix PDF] [Data and Programs]  

"On Deficits & Unemployment" 
Revue économique (2013) Vol. 64, No.3, pp. 405-420 
with Jonathan Eaton and Brent Neiman
[Download PDF]    [Download from JSTOR]

"Unilateral Carbon Taxes, Border Tax Adjustments, and Carbon Leakage" 
Theoretical Inquiries in Law (2013) Vol. 14, pp. 207-244
with Joshua Elliott, Ian Foster, Gita Khun Jush, Todd Munson, and David Weisbach
[Download PDF]

"International Trade: Linking Micro and Macro"
in Daron Acemoglu, Manuel Arellano, and Eddie Dekel, eds.
Advances in Economics and Econometrics, Tenth World Congress, Volume II: Applied Economics
Econometric Society Monographs 50, Cambridge University Press, chapter 8, pp. 329-370
with Jonathan Eaton and Sebastian Sotelo
[Download PDF]

"Putting Ricardo to Work"
Journal of Economics Perspectives (2012) Vol. 26, No. 2, pp. 65-89
with Jonathan Eaton
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"An Anatomy of International Trade: Evidence From French Firms" 
Econometrica (2011) Vol. 79, No. 5, pp. 1453-1498
with Jonathan Eaton and Francis Kramarz
[Download PDF]    [Download from JSTOR]

"Trade and Carbon Taxes" 
American Economic Review: Papers and Proceedings (2010) Vol. 100, No. 2, pp. 465-469
with Joshua Elliott, Ian Foster, Todd Munson, Fernando Pérez Cervantes, and David Weisbach
[Download PDF]    [Download from JSTOR]

"Global Rebalancing with Gravity: Measuring the Burden of Adjustment" 
IMF Staff Papers (2008) Vol. 55, No.3, pp. 511-540
with Jonathan Eaton and Robert Dekle
[Download PDF]    [Download from JSTOR]    [Programs]

"Unbalanced Trade"
American Economic Review: Papers and Proceedings (2007) Vol. 97, No. 2, pp. 351-355
with Robert Dekle and Jonathan Eaton

"Moore’s Law and the Semiconductor Industry: A Vintage Model"
Scandinavian Journal of Economics (2005) Vol. 107, No. 4, pp. 603-630
with Ana Aizcorbe
[Download PDF]    [Download from JSTOR]

"Innovating Firms and Aggregate Innovation" 
Journal of Political Economy (2004) Vol. 112, No. 5, pp. 986-1018 
with Tor Jakob Klette
[Download PDF]    [Download from JSTOR]    [Supplement]

"Dissecting Trade: Firms, Industries, and Export Destinations" 
American Economic Review: Papers and Proceedings (2004) Vol. 94, No. 2, pp. 150-154
with Jonathan Eaton and Francis Kramarz
[Download PDF]    [Download from JSTOR]

"Plants and Productivity in International Trade" 
American Economic Review (2003) Vol. 93, No. 4, pp. 1268-1290
with Andrew B. Bernard, Jonathan Eaton, and J. Bradford Jensen
[Download PDF]    [Download from JSTOR]    [Appendix]

"Technology, Geography, and Trade" 
Econometrica (2002) Vol. 70, No. 5, pp. 1741-1779
with Jonathan Eaton
[Download PDF]    [Download from JSTOR]    [Programs]    [Corrections]

"Trade in Capital Goods"
European Economic Review (2001), Vol. 45, No. 7, pp. 1195-1235
with Jonathan Eaton
[Download PDF]

"Technology, Trade, & Growth: A Unified Framework"
European Economic Review: Papers and Proceedings (2001) Vol 45, No. 4-6, pp. 742-755
with Jonathan Eaton
[Download PDF]

"Assessing the contribution of venture capital to innovation"
The RAND Journal of Economics (2000) Vol. 31, No. 4, pp. 674-692
with Josh Lerner
[Download PDF]    [Download from JSTOR]

"International Technology Diffusion: Theory and Measurement" 
International Economic Review (1999) Vol. 40, No. 3, pp. 537-570
with Jonathan Eaton
[Download PDF]    [Download from JSTOR]

"European Technology Policy"
Economic Policy (1998) Vol. 13, No. 27, pp. 403-438
with Jonathan Eaton and Eva Gutierrez
[Download PDF]    [Download from JSTOR]

"Stronger Protection or Technological Revolution: What is Behind the Recent Surge in Patenting?" Carnegie-Rochester Conference Series on Public Policy (1998) Vol. 48, pp. 247-304
with Josh Lerner
[Download PDF]

"Research, Patenting, and Technological Change" 
Econometrica (1997) Vol. 65, No. 6, pp. 1389-1419
[Download from JSTOR]

"Assigning Patents to Industries: Tests of the Yale Technology Concordance"
Economic Systems Research (1997) Vol. 9, Issue 2, pp. 161-176
with Jonathan Putnam
[Download Online]

"Engines of Growth: Domestic and Foreign Sources of Innovation" 
Japan and the World Economy (1997) Vol. 9, No. 2, pp.235-259
with Jonathan Eaton
[Download PDF]

"Environmental Change and Hedonic Cost Functions for Automobiles" 
Proceedings of the National Academy of Sciences (1996) Vol. 93, No. 23

with Steven Berry and Ariel Pakes
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"Measuring Technology Diffusion and the International Sources of Growth" 
Eastern Economic Journal (1996) Vol. 22, No. 4, pp. 401-410
with Jonathan Eaton
[Download PDF]    [Download from JSTOR]

"Trade in Ideas: Patenting and Productivity in the OECD" 
Journal of International Economics (1996) Vol 40, pp. 251-278
with Jonathan Eaton
[Download PDF]

"Equilibrium R&D and the Patent-R&D Ratio: US Evidence" 
The American Economic Review: Papers and Proceedings (1993) Vol. 83, No. 2, pp. 450-457
[Download from JSTOR]