We now know that from a functional standpoint, jointly determined ecologica
l-economic systems (ecosystems) cycle over time. However, because this reco
gnition has been recent, the ecological economics literature contains Very
few formal studies of the management of cyclical ecosystems. Consequently,
the objective of this paper is to use renewal theory to examine two ways of
analyzing the optimal management of cyclical ecosystems. (C) 1999 Elsevier
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