IDEAS home Printed from
MyIDEAS: Login to save this paper or follow this series

Compulsory Licensing: Evidence from the Trading with the Enemy Act

  • Petra Moser


    (Stanford University)

  • Alessandra Voena

    (Stanford University)

Compulsory licensing allows firms in developing countries to produce foreign-owned inventions without the consent of foreign patent owners. This paper uses an exogenous event of compulsory licensing after World War I under the Trading with the Enemy Act to examine the effects of compulsory licensing on domestic invention. Difference-in-differences analyses of nearly 130,000 chemical inventions suggest that compulsory licensing increased domestic invention by 20 percent

If you experience problems downloading a file, check if you have the proper application to view it first. In case of further problems read the IDEAS help page. Note that these files are not on the IDEAS site. Please be patient as the files may be large.

File URL:
Download Restriction: no

Paper provided by Stanford Institute for Economic Policy Research in its series Discussion Papers with number 09-026.

in new window

Date of creation: Jul 2010
Date of revision:
Handle: RePEc:sip:dpaper:09-026
Contact details of provider: Postal: 366 Galvez Street, Stanford, California 94305-6015
Phone: (650) 725-1874
Fax: (650) 723-8611
Web page:

More information through EDIRC

References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:

as in new window
  1. Douglas A. Irwin, 1998. "The Smoot-Hawley Tariff: A Quantitative Assessment," The Review of Economics and Statistics, MIT Press, vol. 80(2), pages 326-334, May.
  2. Imbens, Guido W. & Wooldridge, Jeffrey M., 2008. "Recent Developments in the Econometrics of Program Evaluation," IZA Discussion Papers 3640, Institute for the Study of Labor (IZA).
  3. Gilbert, R. & Shapiro, C., 1988. "Optimal Patent Length And Breadth," Papers 28, Princeton, Woodrow Wilson School - Discussion Paper.
  4. Petra Moser & Alessandra Voena, 2010. "Compulsory Licensing: Evidence from the Trading with the Enemy Act," Discussion Papers 09-026, Stanford Institute for Economic Policy Research.
  5. Stokey, Nancy L, 1988. "Learning by Doing and the Introduction of New Goods," Journal of Political Economy, University of Chicago Press, vol. 96(4), pages 701-17, August.
  6. Marianne Bertrand & Esther Duflo & Sendhil Mullainathan, 2002. "How Much Should We Trust Differences-in-Differences Estimates?," NBER Working Papers 8841, National Bureau of Economic Research, Inc.
  7. Esther Duflo, 2000. "Schooling and Labor Market Consequences of School Construction in Indonesia: Evidence from an Unusual Policy Experiment," NBER Working Papers 7860, National Bureau of Economic Research, Inc.
  8. Petra Moser, 2012. "Innovation without Patents: Evidence from World's Fairs," Journal of Law and Economics, University of Chicago Press, vol. 55(1), pages 43 - 74.
  9. Imbens, G. & Lancaster, T., 1992. "Case-Control Studies with Contaminated Controls," Harvard Institute of Economic Research Working Papers 1612, Harvard - Institute of Economic Research.
  10. Hall, Bronwyn H & Jaffe, Adam B & Trajtenberg, Manuel, 2001. "The NBER Patent Citations Data File: Lessons, Insights and Methodological Tools," CEPR Discussion Papers 3094, C.E.P.R. Discussion Papers.
  11. Michael Kremer, 2002. "Pharmaceuticals and the Developing World," Journal of Economic Perspectives, American Economic Association, vol. 16(4), pages 67-90, Fall.
  12. Panle Gia & Pinelopi K. Goldberg & Shubham Chaudhuri, 2006. "Estimating the Effects of Global Patent Protection in Pharmaceuticals: A Case Study of Quinolones in India," American Economic Review, American Economic Association, vol. 96(5), pages 1477-1514, December.
  13. Irwin, Douglas A & Klenow, Peter J, 1994. "Learning-by-Doing Spillovers in the Semiconductor Industry," Journal of Political Economy, University of Chicago Press, vol. 102(6), pages 1200-1227, December.
  14. Bronwyn H. Hall & Adam Jaffe & Manuel Trajtenberg, 2005. "Market Value and Patent Citations," RAND Journal of Economics, The RAND Corporation, vol. 36(1), pages 16-38, Spring.
  15. Alexander J. Field, 2003. "The Most Technologically Progressive Decade of the Century," American Economic Review, American Economic Association, vol. 93(4), pages 1399-1413, September.
  16. Lerner, Josh, 1995. "Patenting in the Shadow of Competitors," Journal of Law and Economics, University of Chicago Press, vol. 38(2), pages 463-95, October.
  17. Genesove, David, 2006. "The Dye Famine and its Aftermath: Knowledge Diffusion and Entry," CEPR Discussion Papers 5890, C.E.P.R. Discussion Papers.
  18. Tandon, Pankaj, 1982. "Optimal Patents with Compulsory Licensing," Journal of Political Economy, University of Chicago Press, vol. 90(3), pages 470-86, June.
  19. Petra Moser, 2007. "Why Don't Inventors Patent?," NBER Working Papers 13294, National Bureau of Economic Research, Inc.
Full references (including those not matched with items on IDEAS)

This item is featured on the following reading lists or Wikipedia pages:

  1. Compulsory Licensing: Evidence from the Trading with the Enemy Act (AER 2012) in ReplicationWiki

When requesting a correction, please mention this item's handle: RePEc:sip:dpaper:09-026. See general information about how to correct material in RePEc.

For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: (Anne Shor)

If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

If references are entirely missing, you can add them using this form.

If the full references list an item that is present in RePEc, but the system did not link to it, you can help with this form.

If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your profile, as there may be some citations waiting for confirmation.

Please note that corrections may take a couple of weeks to filter through the various RePEc services.

This information is provided to you by IDEAS at the Research Division of the Federal Reserve Bank of St. Louis using RePEc data.