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Measuring Public Agricultural Research Capital and Its Contribution to State Agricultural Productivity

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  • Huffman, Wallace

Abstract

A methodology for measuring public agricultural research capital is developed and described for the first time, new public agricultural research capital measures for each of the 48 contiguous US states, 1970-1999, are presented, and a new econometric analysis of the contribution of public agricultural research capital to state agricultural productivity is reported. Public agricultural research capital across the states is shown to have five different growth patterns, only one of which is at a constant rate. New TFP results show that public agricultural research capital contributes significantly to agricultural productivity and is larger than previous estimates. Intrastate and spillin public agricultural research capital are shown to be complementary, but private agricultural research capital and public extension are substitutes. The marginal social rate of return to public agricultural, including significant interstate spillovers, is large which has science policy implications.

Suggested Citation

  • Huffman, Wallace, 2009. "Measuring Public Agricultural Research Capital and Its Contribution to State Agricultural Productivity," Staff General Research Papers Archive 13123, Iowa State University, Department of Economics.
    • Handle: RePEc:isu:genres:13123
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    Cited by:

    1. Sabasi, Darlington & Shumway, C. Richard, 2014. "Technical Change, Efficiency, and Total Factor Productivity in U.S. Agriculture," 2014 Annual Meeting, July 27-29, 2014, Minneapolis, Minnesota 170225, Agricultural and Applied Economics Association.
    2. Sabasi, Darlington & Kompaniyets, Lyudmyla, 2015. "Impact of credit constraints on profitability and productivity in U.S. agriculture," 2015 AAEA & WAEA Joint Annual Meeting, July 26-28, San Francisco, California 205689, Agricultural and Applied Economics Association.
    3. Baldos, Uris Lantz C. & Viens, Frederi G. & Hertel, Thomas W. & Fuglie, Keith O., 2015. "On the linkages in U.S. public R&D spending, knowledge capital and agricultural productivity growth: A Bayesian approach," 2015 AAEA & WAEA Joint Annual Meeting, July 26-28, San Francisco, California 205745, Agricultural and Applied Economics Association.
    4. Sun Ling Wang & Eldon Ball & Richard Nehring & Ryan Williams & Truong Chau, 2018. "Impacts of Climate Change and Extreme Weather on US Agricultural Productivity: Evidence and Projection," NBER Chapters, in: Agricultural Productivity and Producer Behavior, pages 41-75, National Bureau of Economic Research, Inc.
    5. Wang, Sun Ling & Ball, Eldon & Nehring, Richard & Williams, Ryan & Chau, Truong, 2014. "Impacts of Climate Change and Extreme Weather on U.S. Agricultural Productivity Growth," 2014 Annual Meeting, July 27-29, 2014, Minneapolis, Minnesota 177170, Agricultural and Applied Economics Association.
    6. Wang, Sun Ling & Ball, V. Eldon & Fulginiti, Lilyan E. & Plastina, Alejandro S., 2012. "Benefits of Public R&D in U.S. Agriculture: Spill-Ins, Extension, and Roads," 2012 Conference, August 18-24, 2012, Foz do Iguacu, Brazil 126368, International Association of Agricultural Economists.
    7. Baldos, Uris Lantz C., 2022. "Investing in Public R&D for a Competitive and Sustainable US agriculture," 2022 Annual Meeting, July 31-August 2, Anaheim, California 322242, Agricultural and Applied Economics Association.
    8. Huffman, Wallace, 2009. "Technology and Innovation in World Agriculture: Prospects for 2010-2019," Staff General Research Papers Archive 13060, Iowa State University, Department of Economics.
    9. Rada, Nicholas E. & Schimmelpfennig, David E., 2015. "Propellers of Agricultural Productivity in India," Economic Research Report 262202, United States Department of Agriculture, Economic Research Service.

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    More about this item

    Keywords

    research capital; agriculture; states; measurement; productivity decomposition; TFP;
    All these keywords.

    JEL classification:

    • O30 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - General
    • O40 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - General
    • Q16 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - R&D; Agricultural Technology; Biofuels; Agricultural Extension Services
    • Q10 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - General

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