中文摘要：

详细分析了林业股份合作经营中的协调成本问题，并通过建立引入协调成本的生产函数来考察林业股份合作经营的最优规模及其与协调成本的规模弹性之间的关系。研究表明：协调成本富于弹性时，最优规模是由各生产要素投入量及其产出弹性、协调成本的规模弹性、协调成本系数和技术水平等因素综合决定的；否则，最优规模受当地林农总数的限制。普遍的观点将林业股份合作制经营的低效率归结于林业股份合作制不明晰的产权和行政干预的存在，本研究则表明：林业股份合作制的规模不适度是导致林业股份合作制经营缺乏效率的一个重要原因。

英文摘要：

The coordination costs in the process of forestry stock cooperation management are carefully analyzed in this article. The authors present the production function involving coordination costs to explore the relation between the optimal scale of forestry stock cooperation management and the scale elasticity of coordination cost. The research demonstrates that under the condition of scale - elastic coordination cost the optimal scale is determined by factors of production, production elasticity, scale elasticity coordination cost, coordination cost coefficient and technical level; otherwise the optimal scale is restricted by the total quantity of forest farmers. Almost universal viewpoints pointed out that the inefficiency of forestry stock cooperation system management was due to unclear property right and administrative intervention, but this research demonstrates that immoderate scale is one of the important causes of inefficiency of forestry stock cooperation system management.