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Notes: Stability Considerations in ECHO Modeling

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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.
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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: 1977-12-01

More about this publication?
  • Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
    Forest Science is published bimonthly in February, April, June, August, October, and December.

    2016 Impact Factor: 1.782 (Rank 17/64 in forestry)

    Average time from submission to first decision: 62.5 days*
    June 1, 2016 to Feb. 28, 2017

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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