JEL Classification System
介绍JEL分类系统，用于对经济学、政治学、法学等领域的书籍、论文和学位论文进行分类，方便学者检索和引用。
The categories listed below are used to classify books, book reviews, journal articles, and dissertations indexed in JEL, JEL on CD, 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: “