Choe, KyeongAe; Whittington, Dale; Lauria, Donald T. - In: Land Economics 72 (1996) 4
Two nonmarket valuation techniques-the contingent valuation method and travel cost model-are used to estimate the economic value that people in Davao, Philippines, place on improving the water quality of the rivers and sea near their community. The contingent valuation and travel cost estimates...