Patent quality and research productivity: Measuring innovation with multiple indicators

Economic Journal

Volumn 114, Issue 495, 2004, Pages 441-465

  Lanjouw, Jean O ^a,b   Schankerman, Mark ^c  

^a UNIVERSITY OF CALIFORNIA   (United States)

^b BROOKINGS INSTITUTION   (United States)

^c LONDON SCHOOL OF ECONOMICS   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

INNOVATION; MANUFACTURING; PRODUCTIVITY; RESEARCH AND DEVELOPMENT; STOCK MARKET;

NORTH AMERICA; UNITED STATES;

EID: 1942424039     PISSN: 00130133     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1468-0297.2004.00216.x     Document Type: Article

References (25)

1. Bartholomew, D. (1987). Latent Variable Models and Factor Analysis, New York: Oxford University Press.
2. Caballero, R. and Jaffe, A. (1993). 'How high are the giants' shoulders?', in (O. Blanchard and S. Fischer, eds.), NBER Macroeconomics Annual, pp. 15-74, Cambridge: MIT Press.
3. Cohen, W. and Levin, R. (1995). 'Empirical studies of innovation and market structure', in (R. Schmalensee and R. Willig, eds.), Handbook of Industrial Organization vol. 2, New York: North-Holland.
4. Cohen, W., Nelson, R. and Walsh, J. (2000). 'Protecting their intellectual asset: appropriability conditions and why U.S. manufacturing firms patent (or not)', NBER working paper no. 7552, (February).
5. Evenson, R. (1984). 'International invention: implications for technology market analysis', in (Z. Griliches, ed.), R&D, Patents and Productivity, pp. 89-123, Chicago: University of Chicago Press.
6. Evenson, R. (1991). 'Patent data by industry: evidence for invention potential exhaustion?', in Technology and Productivity: The Challenges for Economic Policy, pp. 233-48. Paris: OECD.
7. Evenson, R. (1993). 'Patents, R&D and invention potential: international evidence', American Economic Review: Papers and Proceedings, vol. 83, pp. 463-8.
8. Griliches, Z. (1979). 'Issues in assessing the contribution of R&D to productivity growth', Bell Journal of Economics, vol. 10(l , pp. 92-116.
9. Griliches, Z. (1981). 'Market value, R&D and patents', Economic Letters, vol. 7, pp. 183-7.
10. Griliches, Z. (1990). 'Patent statistics as economic indicators: a survey', Journal of Economic Literature, vol. 28, pp. 1661-707.
11. Griliches, Z. (1994). 'Productivity, R&D, and the data constraint', American Economic Review, vol. 84(l), pp. 1-23.
12. Hall, B. (1993a). 'The stock market valuation of R&D investment during the 1980s', American Economic Review, vol. 83, pp. 259-64.
13. Hall, B. (1993b). 'Industrial research during the 1980's: did the rate of return fall?', Brookings Papers on Economic Activity, Microeconomics (2), pp. 289-330.
14. Hall, B., Griliches, Z. and Hausmann, J. (1986). 'Patents and R&D: is there a lag?', International Economic Review, vol. 27(2), pp. 265-83.
15. Hall, B., Jaffe, A. and Trajtenberg, M. (1999a). 'The NBER-Case Western Reserve University R&D-patents master file, 1959-1995', Cambridge. MA: NBER.
16. th anniversary of the productivity and technical change program', Cambridge, MA.
17. Jaffe, A. and Trajtenberg, M. (1999). 'International knowledge: evidence from patent citations', Economics of Innovation and New Technology, vol. 8, pp. 105-36.
18. Kortum, S. (1993). 'Equilibrium R&D and the patent-R&D ratio: US evidence', American Economic Review: Papers and Proceedings, vol. 83, pp. 450-7.
19. Lanjouw, J. O. and Schankerman, M. (2001). 'Characteristics of patent litigation: a window on competition'. RAND Journal of Economics, vol. 13, pp. 129-51.
20. Leamer, E. (1978). Specification Searches: Ad Hoc Inference with Nonexperimental Data, New York: John Wiley & Sons.
21. OECD (1991). Technology and Productivity: The Challenge for Economic Policy, Paris.
22. Putnam, J. (1996). 'The value of international parent rights', Ph.D. thesis, Yale University.
23. Schankerman, M. and Pakes, A. (1986). 'Estimates of the value of patent rights in European countries during the post-1950 period', ECONOMIC JOURNAL, vol. 96, pp. 1052-76.
24. Trajtenberg, M. (1990). 'A penny for your quotes: patent citations and the value of innovation', Rand Journal of Economics, vol. 2(1), pp. 172-87.
25. Tong, X. and Frame, J. D. (1994). 'Measuring national technological performance with patent claims data', Research Policy, Vol. 23, pp. 133-41.