关键词: 林业项目, 效率(社会)参数, 影子价格, 机会成本

Abstract: The paper probes into the concept and characteristics of forestry projects.Basing on the actual conditions of forestry production in China, the paperbuilds the estimating methods system for efficiency and social parameters. Thenit points that we should pay attention to dealing with medial products, lifecircle and so on.

Key words: Forestry projects, Efficiency (social) parameter, Shadow price, Opportunity cost