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Comparing a best management practice scorecard with an auction metric to select proposals in a water quality tender
The focus of this paper is to compare different evaluation frameworks for selecting landholder proposals to improve water quality. The case study is a water quality tender performed in the Burdekin region in Northern Australia in 2007/2008 where bids could be assessed using an inputs-based best management practice scorecard or an outputs-based auction metric. The scorecard approach and other variants of multi-criteria analysis are commonly applied in grant schemes, where landholder proposals are rated by a range of inputs-based criteria. Output-based approaches are typically applied in water quality and conservation tenders, where an environmental benefits index is constructed to summarise the cost-effectiveness of each proposal. The case study evaluation reported in this paper demonstrates that multi-criteria analysis type assessments are flawed, and that the efficiency of public funding can be more than doubled by using auction metrics to assess proposals for landholders to improve water quality.