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Greenhouse Gas Abatement Policies and the Value of Carbon Sinks: Do Grazing and Cropping Systems have Different Destinies? AgEcon
Flugge, Felicity; Schilizzi, Steven.
The impact of two greenhouse gas abatement policies on two Mediterranean-type farming systems, grazing dominant and cropping dominant, is examined. The policies analysed are; an emissions taxation policy and an emissions restrictions policy. For both farming systems the restriction policy is found to be more effective and economically efficient than the carbon permit policy. Absolute cost of abatement is less for the livestock dominant system but relative cost is greater, because of lower total farm profits. The analysis found that at predicted emissions permit prices, trees, if credited as a carbon sink, would be adopted by both farming systems to offset farm greenhouse gas emissions.
Tipo: Conference Paper or Presentation Palavras-chave: Greenhouse policy; Whole-farm modelling; Carbon sinks; Environmental Economics and Policy.
Ano: 2003 URL: http://purl.umn.edu/57865
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Farm Modelling for Interactive Multidisciplinary Planning of Small Grain Production Systems in the Western Cape, South Africa AgEcon
Hoffman, Willem; Kleynhans, Theo E..
Subject matter research has made many contributions to small grain production in the Western Cape province of South Africa, but much of this focuses on single commodities and is undertaken within conventional disciplinary boundaries (e.g. soil science, genetics, economics). The result is that the solutions offered often have knock-on effects that are not properly accounted for by researchers. Expert group discussions, as a research method, are suitable, firstly, for gathering information in a meaningful manner and, secondly, to stimulate individual creativity by presenting alternative perspectives provided by various participating experts. In support of expert group discussions, multi-period wholefarm simulation models were developed. This type of...
Tipo: Conference Paper or Presentation Palavras-chave: Whole-farm modelling; Expert group discussions; Farm Management.
Ano: 2011 URL: http://purl.umn.edu/101640
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Using alterative whole-farm modelling approaches to assess farm enterprise selection, risk and welfare AgEcon
Komarek, Adam M.; MacAulay, T. Gordon.
Using an expected mean-variance model the changes in farm enterprise levels and indirect utility were examined under conditions of risk aversion, budget constraints and gross margin variance. An extension of the comparative statics of the expected mean-variance model was adopted by introducing a budget constraint into the constrained optimisation problem. A 10-year expected mean-variance whole-farm model was solved for a farm in the wheat-sheep zone of Australia to provide an empirical example. Results were obtained using no planning horizon (the static model) and then with a five-year rolling planning horizon (the dynamic model). In addition, enterprise levels were constrained to match levels observed on the farm so as to compare incomes between the...
Tipo: Conference Paper or Presentation Palavras-chave: Whole-farm modelling; Enterprise selection; Risk.; Farm Management; Q12; C61.
Ano: 2011 URL: http://purl.umn.edu/100574
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The potential contribution of forage shrubs to economic returns and environmental management in Australian dryland agricultural systems AgEcon
Monjardino, Marta; Revell, Dean; Pannell, David J..
In face of climate change and other environmental challenges, inclusion of perennial forage shrubs in Australian agricultural systems has the potential to deliver multiple benefits: increased whole-farm profitability and improved natural resource management. The profitability of shrubs was investigated using MIDAS (Model of an Integrated Dryland Agricultural System), a bio-economic model of a mixed crop/livestock farming system. We found that including forage shrubs could increase farm profitability by over 20% for an optimal 10% of farm area in shrubs. The impact of shrubs on whole-farm profit accrues primarily through the provision of a predictable supply of “out-of-season” feed, thereby reducing supplementary feed costs, and through the deferment of...
Tipo: Conference Paper or Presentation Palavras-chave: Whole-farm modelling; Economics; Perennial species; Agricultural and Food Policy; Agricultural Finance; Crop Production/Industries; Environmental Economics and Policy; Farm Management; Land Economics/Use; Livestock Production/Industries.
Ano: 2009 URL: http://purl.umn.edu/51537
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