主成分分析法在产业过度竞争评价中的应用

In order to evaluate on situation of industrial overcompetition, predecessor applied cluster analysis method and descriptive criteria . These methods cannot offer better result .In this paper evaluating industrial overcompetition by principal component analysis, it can classificate and rank degrees of industrial overcompetition and analyse major factors ,finding out the reason of industrial overcompetition. It affords theoretical support for improving present situation of industrial overcompetition in China, drawing up industrial organization policies which is in favor of industrial development.Through evaluating ten industries to prove the availabiiify of principal component analysis.