A mail/telephone technique is discussed which achieved a 79 percent response rate at a cost per usable survey which was only about 50 percent above the general average costs for using mailed questionnaires. With proper follow-up techniques this method is capable of yielding even higher response...

Dynamic adjustment is an integral part of natural resource economics. Commonly, capital is assumed to respond instantaneously to changes in profits, while in reality adjustment may take place only with a time lag. In this paper, an empirical analysis of capital (boat) dynamics in the North Sea...

An intergenerational model of resource development is constructed to examine the concepts of option and existence value. These concepts are seen to relate to a more fundamental concept: the expected value of perfect information. The analysis would suggest that when sequencing irreversible...

The role of a marine sanctuary, where commercial fishing might be prohibited, is evaluated in two models; one where net biological growth is deterministic, and the other where net biological growth is stochastic. There is diffusion (migration) between the sanctuary and the fishing grounds based...