JEL Classification System
介绍了JEL分类体系，用于对经济学文献（书籍、论文等）进行分类，并说明其可自由用于学术目的。
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: “