A dollar value was derived for each type of URS, using mid-range estimates of WTP (IEc, 1994) to avoid each symptom in the cluster and assuming WTPs are additive.
For each type of URS, a dollar value was derived using mid-range estimates of WTP, to avoid each symptom in the cluster and assuming WTPs are additive.
The image of Robert Kennedy lying in his own blood is not very commonly seen.