Tell It by Myself…
Introduction
It is a topic first introduced in ECON 2001. And of course it is a really important topic and is famous in Econometrics.
Referrence
- 【面板数据1/面板数据的定义、时间序列数据、横截面数据、面板数据的优点和缺点】 https://www.bilibili.com/video/BV1Kg411o7ot?vd_source=b29ec883c6f3ba1823bb0b57c6b943e1