TRIPs and patenting activity: Evidence from the Indian pharmaceutical industry
This paper studies the impact of the strict patent regime on the patenting activity of Indian pharmaceutical firms and finds that patenting activity of these firms has increased after the signing of TRIPs. The study is conducted for 65 pharmaceutical firms for the period 1991 to 2004 using different parametric and semiparametric count panel data models. Results across different count data models indicate a positive and significant impact of the introduction of stronger patents on patenting activity. Further, the results show a gestation lag of 2Â years between R&D spending and patent applications.
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.
As the access to this document is restricted, you may want to look for a different version under "Related research" (further below) or search for a different version of it.
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.:
- Edwin Mansfield, 1986. "Patents and Innovation: An Empirical Study," Management Science, INFORMS, vol. 32(2), pages 173-181, February.
- Nordhaus, William D, 1969.
"An Economic Theory of Technological Change,"
American Economic Review,
American Economic Association, vol. 59(2), pages 18-28, May.
- Gourieroux, Christian & Monfort, Alain & Trognon, Alain, 1984.
"Pseudo Maximum Likelihood Methods: Applications to Poisson Models,"
Econometric Society, vol. 52(3), pages 701-20, May.
- Gourieroux Christian & Monfort Alain & Trognon A, 1982. "Pseudo maximum lilelihood methods : applications to poisson models," CEPREMAP Working Papers (Couverture Orange) 8203, CEPREMAP.
- Wang, Peiming & Cockburn, Iain M & Puterman, Martin L, 1998. "Analysis of Patent Data--A Mixed-Poisson-Regression-Model Approach," Journal of Business & Economic Statistics, American Statistical Association, vol. 16(1), pages 27-41, January.
- Richard C. Levin & Alvin K. Klevorick & Richard R. Nelson & Sidney G. Winter, 1987. "Appropriating the Returns from Industrial Research and Development," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 18(3), pages 783-832.
- Samuel Kortum & Josh Lerner, 1997.
"Stronger Protection or Technological Revolution: What is Behind the Recent Surge in Patenting?,"
NBER Working Papers
6204, National Bureau of Economic Research, Inc.
- Kortum, Samuel & Lerner, Josh, 1998. "Stronger protection or technological revolution: what is behind the recent surge in patenting?," Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 48(1), pages 247-304, June.
- Rabe-Hesketh, Sophia & Skrondal, Anders & Pickles, Andrew, 2005. "Maximum likelihood estimation of limited and discrete dependent variable models with nested random effects," Journal of Econometrics, Elsevier, vol. 128(2), pages 301-323, October.
- Petra Moser, 2005.
"How Do Patent Laws Influence Innovation? Evidence from Nineteenth-Century World's Fairs,"
American Economic Review,
American Economic Association, vol. 95(4), pages 1214-1236, September.
- Petra Moser, 2003. "How Do Patent Laws Influence Innovation? Evidence from Nineteenth-Century World Fairs," NBER Working Papers 9909, National Bureau of Economic Research, Inc.
- Klemperer, Paul, 1990.
"How Broad Should the Scope of Patent Protection Be?,"
CEPR Discussion Papers
392, C.E.P.R. Discussion Papers.
- Paul Klemperer, 1990. "How Broad Should the Scope of Patent Protection Be?," RAND Journal of Economics, The RAND Corporation, vol. 21(1), pages 113-130, Spring.
- Richard Blundell & Rachel Griffith & Frank Windmeijer, 1999.
"Individual effects and dynamics in count data models,"
IFS Working Papers
W99/03, Institute for Fiscal Studies.
- Blundell, Richard & Griffith, Rachel & Windmeijer, Frank, 2002. "Individual effects and dynamics in count data models," Journal of Econometrics, Elsevier, vol. 108(1), pages 113-131, May.
- Sunil Kanwar & Robert E Evanson, 2004.
"Does Intellectual Property Protection Spur Technological Change?,"
Levine's Working Paper Archive
122247000000000455, David K. Levine.
- Sunil Kanwar & Robert Evenson, 2003. "Does intellectual property protection spur technological change?," Oxford Economic Papers, Oxford University Press, vol. 55(2), pages 235-264, April.
- Deolalikar, Anil B & Evenson, Robert E, 1989.
"Technology Production and Technology Purchase in Indian Industry: An Econometric Analysis,"
The Review of Economics and Statistics,
MIT Press, vol. 71(4), pages 689-92, November.
- Deolalikar, A.B. & Evenson, R.E., 1988. "Technology Production And Technology Purchase In Indian Industry: An Econometric Analysis," Papers 556, Yale - Economic Growth Center.
- Griliches, Zvi, 1990.
"Patent Statistics as Economic Indicators: A Survey,"
Journal of Economic Literature,
American Economic Association, vol. 28(4), pages 1661-1707, December.
- Zvi Griliches, 1998. "Patent Statistics as Economic Indicators: A Survey," NBER Chapters, in: R&D and Productivity: The Econometric Evidence, pages 287-343 National Bureau of Economic Research, Inc.
- Zvi Griliches, 1990. "Patent Statistics as Economic Indicators: A Survey," NBER Working Papers 3301, National Bureau of Economic Research, Inc.
- Fink, Carsten, 2000. "How stronger patent protection in India might affect the behavior of transnational pharaceutical industries," Policy Research Working Paper Series 2352, The World Bank.
- Branstetter, Lee G. & Fisman, Raymond & Foley, C. Fritz, 2004.
"Do stronger intellectual property rights increase international technology transfer? Empirical evidence from U.S. firm-level panel data,"
Policy Research Working Paper Series
3305, The World Bank.
- Lee G Branstetter & Raymond Fisman & C. Fritz Foley, 2006. "Do Stronger Intellectual Property Rights Increase International Technology Transfer? Empirical Evidence from U. S. Firm-Level Panel Data," The Quarterly Journal of Economics, MIT Press, vol. 121(1), pages 321-349, 02.
- Henderson, Rebecca. & Cockburn, Iain., 1994. "Measuring competence? : exploring firm effects in pharmaceutical research," Working papers 3712-94., Massachusetts Institute of Technology (MIT), Sloan School of Management.
- Cincera, Michele, 1997. "Patents, R&D, and Technological Spillovers at the Firm Level: Some Evidence from Econometric Count Models for Panel Data," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 12(3), pages 265-80, May-June.
- Marco Alfò & Giovanni Trovato, 2004. "Semiparametric mixture models for multivariate count data, with application," Econometrics Journal, Royal Economic Society, vol. 7(2), pages 426-454, December.
- Sakakibara, Mariko & Branstetter, Lee, 2001. "Do Stronger Patents Induce More Innovation? Evidence from the 1988 Japanese Patent Law Reforms," RAND Journal of Economics, The RAND Corporation, vol. 32(1), pages 77-100, Spring.
When requesting a correction, please mention this item's handle: RePEc:eee:ecmode:v:26:y:2009:i:2:p:499-505. 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: (Zhang, Lei)
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.