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MELITZ, MARC Print E-mail

MARC MELITZDavid A. Wells Professor of Political Economy, Department of Economics, Harvard University, Cambridge, USA

Selected topics and Research fields:
-International Trade; Theory and policy, trade competition, firm productivity, trade structure.
-Microeconomic Theory: optimizing behavior of individual consumers and firms and coordination of individual decisions through markets, including the evaluation of market outcomes.

His broad research interests are in international trade and investment. More specifically, he studies producer-level responses to globalization and their implications for aggregate trade and investment patterns. His research has been funded by the Sloan Foundation and by the NSF. His research is considered very influential and not for less, he was quoted in 2016 among the top 10 ten economists deserving the Nobel Price in Economics.



Professional Profile:
Marc Melitz is an American economist . He is currently a professor of economics at Harvard University . Prior to this the was Professor of Economics and International Affairs, at the Princeton University.
He is a fellow of the Econometric Society and is affiliated with the National Bureau of Economic Research (NBER),the Centre for Economic Policy Research (CEPR), CESifo, and the Kiel Institute for the World Economy.
The Economist highlights him as a "new star" of economics, a pioneer of the “new, new trade theory”, which succeeds the “new” trade theory propounded by Mr Krugman almost 30 years ago. The source of its novelty is its recognition that firms differ, and only the best firms export. Indeed, The Economist notes, "Just as Prof. Krugman found a clean way to account for economies of scale, Prof. Melitz handles the heterogeneity of firms without spoiling the lines of his model. It now serves as a pliant workhorse for lots of “granular” thinking in the field.



  • B.A. Haverford College (1989)
  • M.S.B.A. Robert Smith School of Business (1992)
  • Ph.D. University of Michigan(2000)



Selected Publications:
  • Melitz, Marc, and Stephen Redding. 2015. “New Trade Models, New Welfare Implications.” American Economic Review 105 (3): 1105-46. American Economic Review
  • Melitz, Marc J, and Stephen J Redding. 2014. “Missing Gains from Trade?.” American Economic Review 104 (5): 317-21.
  • Melitz, Marc, Thierry Mayer, and Gianmarco IP Ottaviano. 2014. “Market Size, Competition, and the Product Mix of Exporters.” American Economic Review 104 (2): 495-536.
  • Melitz, Marc J, and Stephen J Redding. 2014. “Heterogeneous Firms and Trade.” Handbook of International Economics, 4th ed, 4: 1-54. Elsevier, 4, 1-54.
  • Melitz, Marc, Paul Krugman and Maurice Obstfeld, "International Economics: Theory and Policy.", 9th edition, 2011, (ISBN: 0-13-801896- 0);Pearson-Addison-Wesley.
  • Melitz, Marc, and Daniel Trefler. 2012. “Gains from Trade when Firms Matter.” Journal of Economic Perspectives 26 (2).
  • Melitz, Marc, and Gianmarco Ottaviano. 2008. “Market Size, Trade, and Productivity.” Review of Economic Studies 75: 295-316
  • Melitz, Marc. 2003. “The Impact of Trade on Intra-Industry Reallocations and Aggregate Industry Productivity.” Econometrica 71: 1695- 1725.