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Does Gibrat’s law hold amongst dairy farmers in Northern Ireland?

Author

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  • Kostov, Philip
  • Patton, Myles
  • Moss, Joan
  • McErlean, Seamus

Abstract

This paper tests whether the Law of Proportionate Effects (Gibrat, 1931), which states that farms grow at a rate that is independent of their size, holds for the dairy farms in Northern Ireland. Previous studies have tended to concentrate on testing whether the law holds for all farms. The methodology used in this study permits investigation of whether the law holds for some farms or all farms according to their size. The approach used avoids the subjective splitting of samples, which tends to bias results. Additionally we control for the possible sample selection bias. The findings show that the Gibrat law does hold except in the case of small farms. This is in accordance with previous findings that Gibrat’s law tends to hold when only larger farms are considered, but tends to fail when smaller farms are included in the analysis. Implications and further extensions, as well as some alternatives to the proposed methodology are discussed.

Suggested Citation

  • Kostov, Philip & Patton, Myles & Moss, Joan & McErlean, Seamus, 2006. "Does Gibrat’s law hold amongst dairy farmers in Northern Ireland?," MPRA Paper 3370, University Library of Munich, Germany.
  • Handle: RePEc:pra:mprapa:3370
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    Citations

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    Cited by:

    1. Brenes Muñoz, Thelma & Lakner, Sebastian & Brümmer, Bernhard, 2012. "Economic growth of farms: An empirical analysis on organic farming," 2012 Conference, August 18-24, 2012, Foz do Iguacu, Brazil 126756, International Association of Agricultural Economists.
    2. Brenes Muñoz, Thelma & Lakner, Sebastian & Brümmer, Bernhard, 2011. "Determinants of Economic Growth in Organic Farming: The Case of Bavaria and Baden-Wuerttemberg," 2011 International Congress, August 30-September 2, 2011, Zurich, Switzerland 114270, European Association of Agricultural Economists.
    3. Zimmermann, Andrea & Heckelei, Thomas, 2012. "Differences of farm structural change across European regions," Discussion Papers 162879, University of Bonn, Institute for Food and Resource Economics.
    4. Fertő, Imre & Bakucs, Lajos Zoltán, 2008. "Érvényes-e a Gibrat-törvény a magyar mezőgazdaságban?
      [Is Gibrat s law valid for Hungarian agriculture?]
      ," Közgazdasági Szemle (Economic Review - monthly of the Hungarian Academy of Sciences), Közgazdasági Szemle Alapítvány (Economic Review Foundation), vol. 0(1), pages 25-38.
    5. Huettel, Silke & Jongeneel, Roelof A., 2008. "Structural Change in the Dairy Sectors of Germany and The Netherlands - A Markov Chain Analysis," 2008 International Congress, August 26-29, 2008, Ghent, Belgium 43659, European Association of Agricultural Economists.
    6. repec:oup:revage:v:31:y:2009:i:2:p:284-302. is not listed on IDEAS
    7. Dolev, Yuval & Kimhi, Ayal, 2010. "Do family farms really converge to a uniform size? The role of unobserved farm efficiency," Australian Journal of Agricultural and Resource Economics, Australian Agricultural and Resource Economics Society, vol. 54(1), March.
    8. Landi, Chiara & Stefani, Gianluca & Rocchi, Benedetto & Lombardi, Ginevra V. & Giampaolo, Sabina, 2013. "Determinants of Structural Change in the agricultural sector: An Empirical Analysis of Farm Exit in Tuscany," 2013 Second Congress, June 6-7, 2013, Parma, Italy 149893, Italian Association of Agricultural and Applied Economics (AIEAA).
    9. Dolev, Yuval & Kimhi, Ayal, 2006. "Survival And Growth Of Family Farms In Israel: 1971-1995," Discussion Papers 7146, Hebrew University of Jerusalem, Department of Agricultural Economics and Management.
    10. repec:bla:jageco:v:68:y:2017:i:2:p:471-493 is not listed on IDEAS
    11. Dolev, Yuval & Kimhi, Ayal, 2008. "Does Farm Size Really Converge? The Role of Unobserved Farm Efficiency," Discussion Papers 45778, Hebrew University of Jerusalem, Department of Agricultural Economics and Management.
    12. Almuhanad Melhim & Erik J. O'Donoghue & C. Richard Shumway, 2009. "Do the Largest Firms Grow and Diversify the Fastest? The Case of U.S. Dairies," Review of Agricultural Economics, Agricultural and Applied Economics Association, vol. 31(2), pages 284-302, June.
    13. Kimhi, Ayal & Tzur, Nitzan, 2011. "Long-Run Trends in the Farm Size Distribution in Israel: The Role of Part-Time Farming," 2011 International Congress, August 30-September 2, 2011, Zurich, Switzerland 114759, European Association of Agricultural Economists.
    14. Paul Allanson & Kalina Kasprzyk & Andrew P. Barnes, 2017. "Income Mobility and Income Inequality in Scottish Agriculture," Journal of Agricultural Economics, Wiley Blackwell, vol. 68(2), pages 471-493, June.

    More about this item

    Keywords

    law; quantile regression; Integrated conditional moments test;

    JEL classification:

    • O49 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - Other
    • C14 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Semiparametric and Nonparametric Methods: General
    • C12 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Hypothesis Testing: General

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