JEL Classification System
介绍了JEL分类系统的用途、更新方式及使用格式，适用于对经济学、政治学、法学等领域文献进行分类的学者。
The categories listed below are used to classify books, book reviews, journal articles, and dissertations indexed in JEL, JEL on CD, EconLit, and www.e-JEL.org . New changes to the classification system appear as soon as possible on www.econlit.org . The JEL classification system may be used freely for scholarly purposes. We suggest the following format: “