Christian Helmers

Department of Economics
Santa Clara University
Lucas Hall
Santa Clara, CA 95053

E-Mail: EmailAddress: hidden: you can email any NBER-related person as first underscore last at nber dot org
Institutional Affiliation: Santa Clara University

NBER Working Papers and Publications

November 2018Green Technology Diffusion: A Post-Mortem Analysis of the Eco-Patent Commons
with Jorge L. Contreras, Bronwyn H. Hall: w25271
February 2018Intellectual Property Use in Middle Income Countries: The Case of Chile
with Carsten Fink, Bronwyn H. Hall: w24348
January 2018The Impact of International Patent Systems: Evidence from Accession to the European Patent Convention
with Bronwyn Hall: w24207

Published: Bronwyn H. Hall & Christian Helmers, 2019. "The impact of international patent systems: Evidence from accession to the European Patent Convention," Research Policy, vol 48(9).

August 2015Technology Entry in the Presence of Patent Thickets
with Bronwyn H. Hall, Georg von Graevenitz: w21455
February 2015An Empirical Analysis of Primary and Secondary Pharmaceutical Patents in Chile
with María José Abud Sittler, Bronwyn Hall: w20995

Published: PLOS ONE. doi:10.1371/journal.pone.0124257

May 2013The Importance (or not) of Patents to UK Firms
with Bronwyn H. Hall, Mark Rogers, Vania Sena: w19089

Published: Bronwyn H. Hall & Christian Helmers & Mark Rogers & Vania Sena, 2013. "The importance (or not) of patents to UK firms," Oxford Economic Papers, Oxford University Press, vol. 65(3), pages 603-629, July. citation courtesy of

April 2012The Choice between Formal and Informal Intellectual Property: A Literature Review
with Bronwyn H. Hall, Mark Rogers, Vania Sena: w17983

The choice between formal and informal intellectual property: A review, with Christian Helmers, Mark Rogers, and Vania Sena, March 2012, revised May 2013, forthcoming in the Journal of Economic Literature. NBER Working Paper No. 17983.

March 2011Innovation and Diffusion of Clean/Green Technology: Can Patent Commons Help?
with Bronwyn H. Hall: w16920

Published: Hall, Bronwyn H. & Helmers, Christian, 2013. "Innovation and diffusion of clean/green technology: Can patent commons help?," Journal of Environmental Economics and Management, Elsevier, vol. 66(1), pages 33-51. citation courtesy of

September 2010The role of patent protection in (clean/green) technology transfer
with Bronwyn H. Hall: w16323

Published: The role of patent protection in (clean/green) technology transfer, with Christian Helmers (Oxford University), Santa Clara High Technology Law Journal 26 (2010): 487-532.

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