Crawford School of Public Policy, The Australian National University, Canberra, Australia, John Williams and R. Quentin Grafton

released 4 March 2019

Our purpose is twofold. First is to highlight the importance of measuring the effects of increases in irrigation efficiency on recoverable return flows, or the water returned to either surface or groundwater that can be later reused for consumptive or non-consumptive (such as stream flows) purposes. Second,in the absence of actual Basin-wide measures of return flows from increased irrigation efficiency, we provide a possible range of the net effect on the volume of stream and river flows in the MDB as a result of the Australian Government water infrastructure subsidies

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