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Evidence of slowing yield growth – the example of Swiss cereal yields

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  • Finger, Robert

Abstract

We analyze trends in yield growth and yield variability of barley, maize, oats, rye triticale and wheat in Switzerland from 1961 to 2006. In contrast to linear trends in cereal yield growth that are usually assumed for Europe, cereal yields have leveled off due to widespread extensive cereal production in Switzerland since the early 1990’s. This might also indicate prospects for future crop yield developments in other countries if similar farming practices are widely-used. Even though we find increasing yield variability for barley and rye, no increasing trend in relative yield variability (relative to yield levels) is found for all analyzed crops. Furthermore, this study emphasizes the importance of robust regression methods to ensure reliable results in trend estimation.

Suggested Citation

  • Finger, Robert, 2007. "Evidence of slowing yield growth – the example of Swiss cereal yields," MPRA Paper 9475, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:9475
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    References listed on IDEAS

    as
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    8. Finger, Robert & Hediger, Werner, 2007. "The Application of Robust Regression to a Production Function Comparison – the Example of Swiss Corn," MPRA Paper 4740, University Library of Munich, Germany.
    9. Robert Finger, 2008. "Impacts of Agricultural Policy Reforms on Crop Yields Incidences des réformes de la politique agricole sur les rendements des cultures Auswirkungen von Agrarpolitikreformen auf die Ernteerträge," EuroChoices, The Agricultural Economics Society, vol. 7(3), pages 24-25, December.
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    More about this item

    Keywords

    climate change; crop yield development; detrending; robust regression; Switzerland; crop yield variability; agri-environmental policy;
    All these keywords.

    JEL classification:

    • Q28 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation - - - Government Policy
    • Q18 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Agricultural Policy; Food Policy; Animal Welfare Policy
    • Q16 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - R&D; Agricultural Technology; Biofuels; Agricultural Extension Services
    • Q56 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environment and Development; Environment and Trade; Sustainability; Environmental Accounts and Accounting; Environmental Equity; Population Growth

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