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Notes: Stability Considerations in ECHO Modeling

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Abstract:

Several algorithms have been proposed to solve the harvest scheduling problem when operating under an objective of present worth maximization and given a downward sloping demand function. The Economic Harvest Optimization Model (ECHO) is one such iterative technique which uses a simple recursive relationship to determine successive harvest levels. Convergence difficulties can occur with ECHO as the forest approaches regulation. A formal discussion is presented of the conditions under which the ECHO model might converge to a stable harvest level. FOREST SCI. 23:446-449.

Keywords: Harvest scheduling; financial maturity; forest regulation

Document Type: Miscellaneous

Affiliations: Logging Specialist, USDA Forest Service, and graduate student, Forest Management, Oregon State University, Corvallis, Oregon 97331

Publication date: December 1, 1977

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