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Bush encroachment control and risk management in semi-arid rangelands


  • Natalia Lukomska

    () (Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Switzerland)

  • Martin F. Quaas

    () (Department of Economics, University of Kiel, Germany)

  • Stefan Baumgärtner

    () (Department of Sustainability Sciences and Department of Economics, Leuphana University of Lüneburg, Germany)


We study the role of bush encroachment control for a farmer’s income and income risk in a stochastic ecological-economic model of grazing management in semiarid rangelands. In particular, we study debushing as an instrument of risk management that complements the choice of an adaptive grazing management strategy for that sake. We show that debushing, while being a good practice for increasing the mean pasture productivity and thus expected income, also increases the farmer’s income risk. The optimal extent of debushing for a risk-averse farmer is thus determined from balancing the positive and negative consequences of debushing on intertemporal and stochastic farm income.

Suggested Citation

  • Natalia Lukomska & Martin F. Quaas & Stefan Baumgärtner, 2010. "Bush encroachment control and risk management in semi-arid rangelands," Working Paper Series in Economics 191, University of Lüneburg, Institute of Economics.
  • Handle: RePEc:lue:wpaper:191

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    Cited by:

    1. Jessica Ingenillem & Joachim Merz & Stefan Baumgärtner, 2014. "Determinants and interactions of sustainability and risk management of commercial cattle farmers in Namibia," Working Paper Series in Economics 304, University of Lüneburg, Institute of Economics.

    More about this item


    bush encroachment; expected utility; farm income; intertemporal optimization; risk aversion; risk management; semi-arid rangeland;

    JEL classification:

    • Q57 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Ecological Economics
    • Q15 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Land Ownership and Tenure; Land Reform; Land Use; Irrigation; Agriculture and Environment

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