Some useful documents to improve your Economy & Finance & Mathematics & Coding abilities , a lot of them are based on SWUFE courses ; The language of those documents are almost Chinese.
一些有用的文件 & 数据集 & 课本，能够帮助你在经济学、金融学、数学和代码能力上提升自己（通常为Python、R、Stata）.资料开源共享，如有侵权请在后台私信我。