Environmental Benefit Assessment

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The project reviewed the Environment Agency's benefit assessment guidance (BAG) to determine whether it is appropriate to apply to the Water Framework Directive (WFD). BAG is based on a small number of willingness-to-pay studies (used to estimate benefits at other sites), on distance decay functions (used to estimnate popiulations of relevance and values at different distances), and on a 'bottom-up' approach. These factors produce inaccurate and unreliable estimates, over-state the benefits and render BAG unsuitable for application to the WFD. Other methods such as cost-effectiveness analysis; effect on production or opportunity cost; and stated preference choice experiments, offer more promise.



UKWIR Reference :- 04/EQ/01/1Published Date :- 28/07/2004
Retail Price (£) :- 11ISBN :- 1-84057-335-X