This study describes the development of bio economic models examining the economic and water quality impact of various proposed policy options in the Upper Waikato catchment. In the first phase nitrogen emissions are determined for representative farming systems using the Overseer nutrient...

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Given the fact that water consumers associations (WCAs) in Uzbekistan were established about a decade ago in a top-down fashion to maintain on-farm water facilities, using fuzzy set Qualitative Comparative Analysis tool this paper attempted at determining sets of conditions that are necessary...

Irrigated agricultural production in Uzbekistan is threatened by the impacts of land degradation, irrigation water scarcity and climate change. The conversion of marginal croplands to tree plantations is an option for rehabilitation of nutrient-depleted cropland soils, saving of irrigation...

A regression discontinuity approach is used to measure the impact of public-goods creating programs in a declining inner city neighborhood of Worcester Massachusetts. Using GIS data, we develop a hedonic model of residential sales, using a parcel-level GIS tax assessment and land use database...