Abstract
The empirical importance of “angler success per unit of effort” as a quality determinant of recreational values was investigated with regard to three sport fisheries at Yaquina Bay, Oregon. A 10% increase in salmon (Oncorhynchus) angling success would induce a long‐run increase in angling effort of approximately 10%, although bottomfish (sea perches, Embiotocidae; starry flounder, Platichthys; and other estuarine fishes) angling effort seems to be considerably less responsive to changes in success. Demand functions and success “elasticities” for each fishery were used to estimate the decrease in net economic value associated with a pollution‐induced reduction in angling success. The methodology may also apply to evaluation of measures which would increase angling success, such as investment in hatcheries.

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