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Optimisation and the selection of conservation contracts AgEcon
Hajkowicz, Stefan; Higgins, Andrew J.; Williams, Kristen; Faith, Daniel P.; Burton, Michael P..
This paper explores alternative techniques for the selection of conservation contracts under competitive tendering programs. Under these programs, purchasing decisions are often based on the benefits score and cost for proposed projects. The optimisation problem is to maximise the aggregate benefits without exceeding the budget. Because the budget rarely permits all projects to be funded, there is a binary choice problem, known in the operations research published work as a knapsack problem. The decision-maker must choose which projects are funded and which are not. Under some circumstances, the knapsack problem can be unsolvable because computational complexity increases exponentially with the number of projects. This paper explores the use of several...
Tipo: Journal Article Palavras-chave: Market based instruments; Environmental services auction; Environment benefits index; Conservation planning; Resource /Energy Economics and Policy.
Ano: 2007 URL: http://purl.umn.edu/118317
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ECONOMIC IMPACTS OF DRYLAND SALINITY FOR GRAINS INDUSTRIES AgEcon
Hajkowicz, Stefan; Young, Michael D..
This paper explores some possible economic impacts of worsening salinity severity and extent in the grains industry across Australia. It also looks at the potential to increase agricultural profits through remediation. The analysis is based on a spatial model of agricultural profits and salinity related crop/pasture yield losses. It is estimated that grains industry farming profits across Australia would rise by an upper limit $138 million per year were salinity costlessly removed from the landscape. It is also estimated that the present value of grains industry profit losses from worsening salinity extent and severity over the next 20 years is $237 million. These amounts can be considered against the costs of repair.
Tipo: Conference Paper or Presentation Palavras-chave: Crop Production/Industries; Environmental Economics and Policy.
Ano: 2003 URL: http://purl.umn.edu/57884
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