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Agricultural Research Expenditures And Agricultural Productivity Change

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  • D. Hallam

Abstract

This note comments on the econometric analysis of the dynamic relationship between agricultural research expenditures and agricultural productivity change. The validity of the Almon restrictions, particularly endpoint restrictions, commonly imposed on the distributed lag is questioned. It is suggested that models incorporating such restrictions may lead to biased estimates of the effects of research spending. More fundamentally, doubts are raised as to whether any meaningful relationship between research spending and productivity change can be established from the available data.

Suggested Citation

  • D. Hallam, 1990. "Agricultural Research Expenditures And Agricultural Productivity Change," Journal of Agricultural Economics, Wiley Blackwell, vol. 41(3), pages 434-439, September.
    • Handle: RePEc:bla:jageco:v:41:y:1990:i:3:p:434-439
    DOI: 10.1111/j.1477-9552.1990.tb00659.x
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    Cited by:

    1. D. Schimmelpfennig & C. Thirtle, 1994. "Cointegration, And Causality: Exploring The Relationship Between Agricultural And Productivity," Journal of Agricultural Economics, Wiley Blackwell, vol. 45(2), pages 220-231, May.
    2. D. Hallam & F. Machado & G. Rapsomanikis, 1992. "Co‐Integration Analysis And The Determinants Of Land Prices," Journal of Agricultural Economics, Wiley Blackwell, vol. 43(1), pages 28-37, January.
    3. Townsend, Robert & Thirtle, Colin, 2001. "Is livestock research unproductive?: Separating health maintenance from improvement research," Agricultural Economics, Blackwell, vol. 25(2-3), pages 177-189, September.
    4. Rajeswari S., 1995. "Agricultural research effort: Conceptual clarity and measurement," World Development, Elsevier, vol. 23(4), pages 617-635, April.
    5. Roberto ESPOSTI & Pierpaolo PIERANI, 2001. "Building the Knowledge Stock: Lags, Depreciation and Uncertainty in Agricultural R&D," Working Papers 145, Universita' Politecnica delle Marche (I), Dipartimento di Scienze Economiche e Sociali.
    6. Townsend, Rob F. & van Zyl, Johan, 1998. "Estimation of the rate of return to wine grape research and technology development expenditures in South Africa," Agrekon, Agricultural Economics Association of South Africa (AEASA), vol. 37(2), pages 1-22, June.
    7. Upton, Martin, 1991. "Economic quantification of the benefits of agricultural research," Centre for Agricultural Strategy - Papers and Reports 337807, University of Reading.
    8. Guisan, M.Carmen & Exposito, Pilar, 2002. "Econometric Models of Agriculture in OECD Countries: Production, Income, and Agrarian Employment in Spain, France, Japan, and the Usa, 1965-99," Economic Development 60, University of Santiago de Compostela. Faculty of Economics and Business. Econometrics..
    9. Barnes, Andrew P., 2002. "Publicly-funded UK agricultural R&D and 'social' total factor productivity," Agricultural Economics, Blackwell, vol. 27(1), pages 65-74, May.
    10. Roberto Esposti & Pierpaolo Pierani, 2003. "Building the Knowledge Stock: Lags, Depreciation, and Uncertainty in R&D Investment and Link with Productivity Growth," Journal of Productivity Analysis, Springer, vol. 19(1), pages 33-58, January.
    11. Colin Thirtle, 1999. "Productivity and the Returns to Levy‐Funded R&D for Sugar Production in the Eastern Counties of England," Journal of Agricultural Economics, Wiley Blackwell, vol. 50(3), pages 450-467, September.

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