Abstract
Agrarian policies for sustainable land use require the selection of appropriate policy instruments to influence resource allocation decisions by farmers. A farm household modelling approach is applied to identify microeconomic supply response reactions to various policy measures. Production and consumption decisions are simultaneously analysed, permitting an appraisal of adjustments in land use in accordance with farm household welfare objectives. Four types of farm household are identified according to their resource endowments and objective functions to acknowledge different directions of supply response reactions. The modelling framework is based on the linkage of data sets from agrotechnical and socio-economic sources. Actual and alternative (sustainable) cropping and livestock activities are defined according to soil and weather conditions, production techniques and soil management practices, and their consequences for the nutrient and carbon balance. Farm household resource endowments and expenditures condition allocation procedures. Dynamic properties are incorporated into the model through the savings and investment module, while a time discount rate accounts for risk behaviour. Food and labour balances are identified for the appraisal of market interactions and exchange among farm types. Policy consequences of this modelling approach are illustrated for the case of Koutiala Cercle in southern Mali. The effects of modifications in market prices of food and cash crops, input prices, transaction costs, credit supply and land policy are demonstrated, and trade-offs between objectives of farm household welfare and sustainable land use are acknowledged.
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Ruben, R., Kruseman, G., Hengsdijk, H., Kuyvenhoven, A. (1997). The impact of agrarian policies on sustainable land use. In: Teng, P.S., Kropff, M.J., ten Berge, H.F.M., Dent, J.B., Lansigan, F.P., van Laar, H.H. (eds) Applications of Systems Approaches at the Farm and Regional Levels Volume 1. Systems Approaches for Sustainable Agricultural Development, vol 5. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-5416-1_6
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DOI: https://doi.org/10.1007/978-94-011-5416-1_6
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