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Some Difficulties in Measuring Inventive Activity

In: The Rate and Direction of Inventive Activity: Economic and Social Factors

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  • Barkev S. Sanders

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Suggested Citation

  • Barkev S. Sanders, 1962. "Some Difficulties in Measuring Inventive Activity," NBER Chapters, in: The Rate and Direction of Inventive Activity: Economic and Social Factors, pages 53-90, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberch:2113
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    Cited by:

    1. Jean O. Lanjouw & Ariel Pakes & Jonathan Putnam, 1998. "How to Count Patents and Value Intellectual Property: The Uses of Patent Renewal and Application Data," Journal of Industrial Economics, Wiley Blackwell, vol. 46(4), pages 405-432, December.
    2. Hastings, Trevor, 1981. "The Impact Of Scientific Research On Australian Rural Productivity," Australian Journal of Agricultural Economics, Australian Agricultural and Resource Economics Society, vol. 25(1), pages 1-12, April.
    3. J R L Howells, 1983. "Filter-Down Theory: Location and Technology in the UK Pharmaceutical Industry," Environment and Planning A, , vol. 15(2), pages 147-164, February.
    4. Elizabeth Webster, 2002. "Intangible and Intellectual Capital: A Review of the Literature," Melbourne Institute Working Paper Series wp2002n10, Melbourne Institute of Applied Economic and Social Research, The University of Melbourne.
    5. Ryan Lampe & Petra Moser, 2012. "Do Patent Pools Encourage Innovation? Evidence from 20 Industries in the 1930s," NBER Chapters, in: Standards, Patents and Innovations, National Bureau of Economic Research, Inc.
    6. Loof, Hans & Heshmati, Almas, 2002. "Knowledge capital and performance heterogeneity: : A firm-level innovation study," International Journal of Production Economics, Elsevier, vol. 76(1), pages 61-85, March.
    7. Godin, Benoit, 2007. "Science, accounting and statistics: The input-output framework," Research Policy, Elsevier, vol. 36(9), pages 1388-1403, November.
    8. Rajeswari S., 1995. "Agricultural research effort: Conceptual clarity and measurement," World Development, Elsevier, vol. 23(4), pages 617-635, April.
    9. Ryan L. Lampe & Petra Moser, 2012. "Do Patent Pools Encourage Innovation? Evidence from 20 U.S. Industries under the New Deal," NBER Working Papers 18316, National Bureau of Economic Research, Inc.

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