1. Griliches, Zvi, 1990. "Patent Statistics as Economic Indicators: A Survey," Journal of Economic Literature, American Economic Association, vol. 28(4), pages 1661-1707, December. [Downloadable!] (restricted)
   Other versions:
   • Zvi Griliches, 1991. "Patent Statistics as Economic Indicators: A Survey," NBER Working Papers 3301, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
   • 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. [Downloadable!]
2. Jean O. Lanjouw & Josh Lerner, 1997. "The Enforcement of Intellectual Property Rights: A Survey of the Empirical Literature," NBER Working Papers 6296, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
   Other versions:
   • Jean Lanjouw & Josh Lerner, 1998. "The Enforcement of Intellectual Property Rights: A Survey of the Empirical Literature," Annales d'Economie et de Statistique, ADRES, issue 49-50, pages 09, Janvier-J. [Downloadable!]
3. Jean O. Lanjouw & Mark Schankerman, 1997. "Stylized Facts of Patent Litigation: Value, Scope and Ownership," NBER Working Papers 6297, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
4. Deng, Yi, 2005. "Private Value of European Patents," Departmental Working Papers 0513, Southern Methodist University, Department of Economics. [Downloadable!]
5. repec:fth:harver:1473 is not listed on IDEAS
6. Suzanne Scotchmer, 1999. "On the Optimality of the Patent Renewal System," RAND Journal of Economics, The RAND Corporation, vol. 30(2), pages 181-196, Summer. [Downloadable!] (restricted)
7. Deng, Yi, 2005. "Renewal Study of European Patents: A Three-country Comparison," Departmental Working Papers 0514, Southern Methodist University, Department of Economics. [Downloadable!]
8. Pakes, Ariel S, 1986. "Patents as Options: Some Estimates of the Value of Holding European Patent Stocks," Econometrica, Econometric Society, vol. 54(4), pages 755-84, July. [Downloadable!] (restricted)
9. Ted O'Donoghue & Suzanne Scotchmer & Jacques-François Thisse, 1998. "Patent Breadth, Patent Life, and the Pace of Technological Progress," Journal of Economics & Management Strategy, Blackwell Publishing, vol. 7(1), pages 1-32, 03. [Downloadable!] (restricted)
10. Ariel Pakes & Mark Schankerman, 1984. "The Rate of Obsolescence of Patents, Research Gestation Lags, and the Private Rate of Return to Research Resources," NBER Chapters, in: R & D, Patents, and Productivity, pages 73-88 National Bureau of Economic Research, Inc. [Downloadable!]
11. Jean O. Lanjouw & Mark Schankerman, 2004. "Patent Quality and Research Productivity: Measuring Innovation with Multiple Indicators," Economic Journal, Royal Economic Society, vol. 114(495), pages 441-465, 04. [Downloadable!] (restricted)
12. Carmen Matutes & Pierre Regibeau & Katharine Rockett, 1996. "Optimal Patent Design and the Diffusion of Innovations," RAND Journal of Economics, The RAND Corporation, vol. 27(1), pages 60-83, Spring. [Downloadable!] (restricted)
13. Zvi Griliches, 1984. "R & D, Patents, and Productivity," NBER Books, National Bureau of Economic Research, Inc, number gril84-1.

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1. van Pottelsberghe, Bruno & van Zeebroeck, Nicolas, 2007. "A Brief History of Space and Time: the Scope-Year Index as a Patent Value Indicator Based on Families and Renewals," CEPR Discussion Papers 6321, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
   Other versions:
   • Bruno Van Pottelsberghe & Nicolas van Zeebroeck, 2007. "A Brief History of Space and Time: the Scope-Year Index as a Patent Value Indicator Based on Families and Renewals," Working Papers CEB 07-019.RS, Université Libre de Bruxelles, Solvay Brussels School of Economics and Management, Centre Emile Bernheim (CEB). [Downloadable!]
2. Enrico Santarelli & Francesca Lotti, 2007. "The Relationship among innovative Output, Productivity, and Profitability. A test comparing USPTO and EPO data," Jena Economic Research Papers in Economics 2007-020, Friedrich-Schiller-University Jena, Max-Planck-Institute of Economics, Thueringer Universitaets- und Landesbibliothek. [Downloadable!]
3. Deng, Yi, 2006. "Trade Balance of Patent Rights: Who Gains What from International Patent Harmonization, and Why?," Departmental Working Papers 0519, Southern Methodist University, Department of Economics, revised Nov 2006. [Downloadable!]