Table 2. IDB Project Estimates of Willingness to Pay for General Ambient Water Quality Improvements in Rivers, Lakes and Coastal Waters CountryProject BA-0036 BR-0072 BR-0072 BR-0073 BR-0073 CO-0082 CO-0208 CO-0208 CO-0208 CO-0227 EC-0161 ME-0056 NI-0027 PR-0064 UR-0023
Method CV CV CV CV CV CV CV (direct) CV (direct) CV (direct) CV Hedonic CV CV CV CV
AEQ Target
Mean WTP (1996 US$/household/month) Beaches-swimmable water $1.04 River pollution control-no specifics $7.85 Beaches-swimmable water $7.74 Beaches-swimmable water $5.40 Beaches-swimmable water $7.28 Odor elimination $3.24 Odor elimination $3.28 Odor elimination & aesthetics $7.14 Swimmable water $11.34 Swimmable water $3.72 Property "affected" by pollution $4.20 Clean River-no specifics $6.30 Odor elimination & aesthetics $4.00 Improvement in Water Quality $13.38 Beaches-swimmable water $0.74 Average: Standard Deviation Median
Note:
$5.78 $3.50 $5.40
WTP expressed in constant 1996 US$ by application of the US BLS Implicit Price Deflator. CV means referendum question format unless otherwise noted.
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