ANALIZING WATER FRAMEWORK DIRECTIVE IMPACTS USING

verbatim copies of this document for non-commercial purposes by any means, provided that this copyright notice appears on all such copies. We develop a two-stage, multinomial logit model of UK land use to investigate the impact of policy changes upon agriculture. The model utilises a large panel database covering the entirety of England and Wales for 14 years between 1969 and 2004 integrated with the economic and physical environment determinants of all major agricultural land use types. Our model performs well in out-of-sample prediction of current land use and we use it to assess a proposed implementation of the Water Framework Directive via a tax on fertilizer. Results indicate that such policy change would generate substantial switching from arable to grassland systems, reducing significantly the amount of nitrate leaching into UK water-bodies