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The economic impact of water reductions during the Millennium Drought in the Murray-Darling Basin AgEcon
Kirby, Mac; Connor, Jeffery D.; Bark, Rosalind H.; Qureshi, Muhammad Ejaz; Keyworth, Scott W..
The recent drought saw the lowest inflows on record in the Murray-Darling Basin in 2006. Water use by irrigation in 2007-8 and 2008-9 was about one third that of pre-drought levels. Understanding how irrigation adapted to less water is key both to provide information to help plan for the future and data for model calibration. Complicating this objective was the concurrent international food price crisis of 2008 and an increase in water trading in the basin. This presents a challenge in unpacking the effects of commodity price changes, input substitution, productivity gains and water trading from the effect of reduced water availability. In this paper we seek Our objective is to unpack the various effects. We used publicly available price and production...
Tipo: Presentation Palavras-chave: Resource /Energy Economics and Policy.
Ano: 2012 URL: http://purl.umn.edu/124490
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How Do Homebuyers Value Different Types of Green Space? AgEcon
Bark, Rosalind H.; Osgood, Daniel E.; Colby, Bonnie G.; Halper, Eve B..
It is important to understand tradeoffs in preferences for natural and constructed green space in semi-arid urban areas because these lands compete for scarce water resources. We perform a hedonic study using high resolution, remotely-sensed vegetation indices and house sales records. We find that homebuyers in the study area prefer greener lots, greener neighborhoods, and greener nearby riparian corridors, and they pay premiums for proximity to green space amenities. The findings have fundamental implications for the efficient allocation of limited water supplies between different types of green space and for native vegetation conservation in semi-arid metropolitan areas.
Tipo: Journal Article Palavras-chave: Hedonic model; Locally weighted regression; Spatial; Open space; Golf course; Park; Riparian; Consumer/Household Economics; Land Economics/Use.
Ano: 2011 URL: http://purl.umn.edu/117210
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