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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. 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.
    3. Godin, Benoit, 2007. "Science, accounting and statistics: The input-output framework," Research Policy, Elsevier, vol. 36(9), pages 1388-1403, November.
    4. 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.
    5. Rajeswari S., 1995. "Agricultural research effort: Conceptual clarity and measurement," World Development, Elsevier, vol. 23(4), pages 617-635, April.
    6. 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.
    7. 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.
    8. 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.
    9. 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.

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