美国产业分类体系的演化

Evolution of Industrial Classification System of the United States

文章首先分别简要介绍了美国《标准产业分类体系》和《北美产业分类体系》,然后分析了1997年版美国北美产业分类体系与1987年版美国标准产业分类体系之间的不同之处,最后详细介绍了美国2002版北美产业分类体系的具体变化。

Firstly, the paper gives an detailed introduction of SIC(Standard Industrial Classification of the United States)and NAICS(North American Industry Classification System of the United States). Secondly, the paper analyzes the differences of them. Thirdly, the paper gives an detailed introduction of the recent changes of the classification of NAICS 2002 of the United States.