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Climate change impacts on crop risks and agricultural production in Finland

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  • Lehtonen, Heikki
  • Kujala, Sanna
Abstract
Climate Change is expected to improve crop production conditions significantly in northern Europe. In some studies a significant increase in agricultural production is expected in northern Europe while drought is becoming gradually more severe in Southern Europe and France due to climate change. Our analysis provides one of the first steps in evaluating the possible scale of changes in agricultural production and use of farm land in Finland, so far one of the least favoured agricultural areas in Europe. Drought in early summer and low temperature sum during growing period are currently the main growth limiting factors in Finland. Even though the early part of the growing period is likely to be dry also in the future, both mean and variance of crop yields are expected to increase in Finland. However the changes are likely to be very different for different crops. We use mean-variance analysis and a sector level, regionally disaggregated, optimisation-based economic model in evaluating the likely impacts increasing mean and variance of crop yields on agricultural production and land use in Finland. Our sector level analysis takes into account important supply-demand conditions, e.g. changes in feed crop use, limited domestic demand, and imperfect substitution. Sector models including risk are relatively few in recent literature of agricultural economics. In our first analysis we use mean-variance approach in including crop yield risk and risk aversion explicitly in our dynamic recursive sector model. Increasing mean and variability of crop yields change the relative profitability of crops. For example, increasing feed crop yields may drive up animal production, especially if export prices of meat remain strong. On the other hand, if the demand is relatively inelastic, land area of some less competitive crops may clearly decrease despite increasing yields. Consequently, climate change may trigger changes on the production structure of agriculture. Farm income is relatively little affected by higher crop yields, on the average, while income may increase significantly on some individual farms. Our preliminary analysis also shows that policy measures aimed at reducing crop risks may be relatively efficient in increasing or sustaining production of many crops. Even if policy measures for reducing risks are commonly perceived less production-linked compared to price and area based subsidies, we show that their impact on production volume will most likely increase in on-going climate change. However in further research we need to test alternative approaches for better representation and modelling of crop risks. Albeit simple, we consider optimisation and risk aversion necessary techniques and assumptions in producing consistent evaluations of economic behaviour in long-term economic adaptations and risks.

Suggested Citation

  • Lehtonen, Heikki & Kujala, Sanna, 2007. "Climate change impacts on crop risks and agricultural production in Finland," 101st Seminar, July 5-6, 2007, Berlin Germany 9259, European Association of Agricultural Economists.
    • Handle: RePEc:ags:eaa101:9259
    DOI: 10.22004/ag.econ.9259
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    References listed on IDEAS

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    1. Just, Richard E., 2003. "Risk research in agricultural economics: opportunities and challenges for the next twenty-five years," Agricultural Systems, Elsevier, vol. 75(2-3), pages 123-159.
    2. Barry T. Coyle, 1992. "Risk Aversion and Price Risk in Duality Models of Production: A Linear Mean-Variance Approach," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 74(4), pages 849-859.
    3. Xing, Liu & Pietola, Kyosti, 2005. "Forward Hedging Under Price and Production Risk of Wheat," 2005 International Congress, August 23-27, 2005, Copenhagen, Denmark 24467, European Association of Agricultural Economists.
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    Cited by:

    1. Heikki Lehtonen & Reimund Rötter & Taru Palosuo & Tapio Salo & Janne Helin & Yulia Pavlova & Helena Kahiluoto, 2010. "A Modelling Framework for Assessing Adaptive Management Options of Finnish Agrifood Systems to Climate Change," Journal of Agricultural Science, Canadian Center of Science and Education, vol. 2(2), pages 1-3, May.

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