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(41C) "ECOVAL" PNV & BCR forestry investment analysis
08-13-2019, 01:14 PM (This post was last modified: 08-13-2019 03:05 PM by SlideRule.)
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(41C) "ECOVAL" PNV & BCR forestry investment analysis
An extract from Proceedings of the National Silviculture Workshop, Economics of Silvicultural Investments, USDA (FS), Timber Management, MAY 1983 (pgs. 134-145)

"Current Economic Evaluation Programs for the HP-41
ECOVAL - A "user friendly" investment analysis program featuring much of the flexibility in data manipulation and storage found in larger computers. New data files corresponding to a case study can be stored on cards for subsequent analysis. For identification, labels can be attached to each case and all investment events. Provision is made for data listing and editing …
Two investment efficiency criteria are computed: PRESENT NET VALUE and BENEFIT-COST RATIO. Internal Rate of Return can be found by changing discount rate until PNW reaches zero. ECOVAL is particularly suitable to forestry investment analysis. Each investment event can be entered as a perpetual flow. Provision is made for optionally applying annual benefit and cost appreciation rates to each event."

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