Samuel Kortum
James Burrows Moffatt Professor of Economics, Yale University

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





Ron Jones Lecture 
Rochester, 2021
"Optimal Unilateral
Carbon Policy"

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"

"Trade, Leakage, and the Design of a Carbon Tax"

with David Weisbach, Michael Wang, and Yujia Yao

[Download PDF]

NBER Working Paper 30244

 "Firm-to-Firm Trade: Imports, Exports, and the Labor Market"

with Jonathan Eaton and Francis Kramarz

"Optimal Unilateral Carbon Policy"

with David Weisbach
[Download PDF] (October 2022)

"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]

"The Design of Border Adjustments for Carbon Prices"
National Tax Journal (2017) Vol. 70, pp. 421-446
with David Weisbach
[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] 

"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
[Download PDF]

"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]

"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]

"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]    [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]

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

"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]   [Appendix]

"Technology, Geography, and Trade" 
Econometrica (2002) Vol. 70, No. 5, pp. 1741-1779
with Jonathan Eaton
[Download PDF]    [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"
RAND Journal of Economics (2000) Vol. 31, No. 4, pp. 674-692
with Josh Lerner
[Download PDF] 

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

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

"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 Policy (1999) Vol. 28, pp. 1-22
[Download PDF]

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

"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
[Download PDF] 

"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] 
"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" 
American Economic Review: Papers and Proceedings (1993) Vol. 83,
No. 2, pp. 450-457

[Download PDF]