JEL Classification System
介绍了JEL分类系统，用于对经济学及相关学科（如政治学、法学）的书籍、论文等进行分类，并说明其使用格式。
The categories listed below are used to classify books, book reviews, journal articles, and dissertations indexed in JEL, JEL on CD, and EconLit. 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: “