林业局木材评估

George A. Craig
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Obviously, appraisal methods are a central concern to this organization, and Craig is able to utilize his many years of direct analytical experience in the discussion that follows. Had he been allowed more space, he might have elected to say that not only is consensus lacking on general appraisal principles, it is lacking also for the equally fundamental methods of measuring the timber to be appraised. Board feet vs. cubic feet, Scribner vs. International logrules, and water scale vs. truck scale are only a few of the technical questions under perennial debate. One might conclude that many forestry problems are never solved, but each genera tion devises its own accommodation. 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引用次数: 0

摘要

自19世纪90年代Bernhard E. Fernow和Carl a . Schenck首次将经济学基础引入美国林业以来,“林业有回报就会付诸实践”一直是林业工作者的格言。尽管今天的经济理论和实践比这个早期的真理要复杂得多,但某些基本原则仍然适用于当时。但事实证明,很难达成共识。例如,为立木分配价值的最佳方法仍在争论中,这种情况可能会使许多林业以外的人感到惊讶,他们可以逻辑地认为,这么基本的东西一定是多年前就已经解决了。George a . Craig是一位广受尊敬的木材评估方法分析师。他最近从西部木材协会主席的职位上退休,该协会的会员仅限于从美国林务局购买木材的公司。显然,评估方法是该组织关注的中心问题,Craig能够在接下来的讨论中利用他多年的直接分析经验。如果给他更多的篇幅,他可能会说,不仅在一般评估原则上缺乏协商一致意见,而且也缺乏评估木材的同样基本的测量方法。板英尺与立方英尺,斯克里布纳与国际规则,水秤与卡车秤只是长期争论的技术问题中的一小部分。人们可能会得出结论,许多林业问题永远不会得到解决,但每一代人都在设计自己的适应方式。1897年的联邦法律要求,从森林保护区中授权和选择出售的木材必须经过评估,并以“不低于评估价值”的价格出售。尽管在细节上有很多变化,设定砍伐率的基础一直是“剩余价值”的确定,即生产产品的估计价值与所有估计成本加上利润和风险边际的总和之间的差额。这种方法导致同一树种木材的评估立木率发生变化,以反映木材尺寸、每英亩砍伐的质量和数量、可达性、销售区域的地形和相关特征、合同期限和其他销售条件的差异。随着木材价值的上升,木材定价受到越来越多的关注。现在要求根本性变革的压力比以往任何时候都大。在某种程度上,这些压力集中在向交易证据评估的转变上,也就是说,使用最近的买价拆桩率来评估新产品。美国农业部林务局过去一直能够抵制这种压力,在这种情况下,这样做的逻辑是合理的。剩余价值评估可以在西方保留下来,但要对木材销售的做法加以改进,并加大教育力度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Forest Service Timber Appraisals
Editor's Introduction "Forestry will be practiced when it pays" is a saying used by foresters since Bernhard E. Fernow and Carl A. Schenck first introduced the rudiments of economics to American forestry during the 1890s. Although economic theory and practice are today much more sophisticated than this early truism, certain fundamental principles apply now as then. But consensus has proved elusive. For example, the best method ofassigning value to standing timber continues to be debated, a situation that probably surprises many outside forestry who could logically assume that anything that basic must have been worked out years ago. George A. Craig is a widely respected analyst of timber appraisal methods. He recently retired as head of the Western Timber Association, whose membership is limited to companies that buy timber from the U. S. Forest Service. Obviously, appraisal methods are a central concern to this organization, and Craig is able to utilize his many years of direct analytical experience in the discussion that follows. Had he been allowed more space, he might have elected to say that not only is consensus lacking on general appraisal principles, it is lacking also for the equally fundamental methods of measuring the timber to be appraised. Board feet vs. cubic feet, Scribner vs. International logrules, and water scale vs. truck scale are only a few of the technical questions under perennial debate. One might conclude that many forestry problems are never solved, but each genera tion devises its own accommodation. F ederal law in 1897 required that timber authorized and selected for sale from the forest reserves be appraised and sold "for not less than the appraised value ." Although there have been many changes in the details, the foundation for setting stumpage rates has been a determination of "residual value"-the difference between the estimated value of products to be produced and the sum of all estimated costs plus a margin for profit and risk. This approach causes variations in appraised stumpage rates for timber of the same species to reflect differences in the timber size, quality and volume to be cut per acre, accessibility, topography and related characteristics of the sale area, contract term, and other conditions of the sale . Timber pricing has received increased attention as timber values have risen. There are now more pressures for fundamental change than at any time in the past. In part, these pressures have focused on a shift toward transactions evidence appraisals-that is, using recently bid stumpage rates to appraise new offerings . The USDA Forest Service has been able to resist such pressures in the past, and in this case the logic for doing so is sound . Residual value appraisals could be retained in the West with some refinement in timber sale practice and greater educational efforts.
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