我还蛮喜欢的一篇文章 (其中有 time-varying DID effects,可以学习一下):Big Bad Banks? The Winners and Losers from Bank Deregulation in the United States (好像无法连结,自己 copy & paste): http://onlinelibrary.wiley.com/doi/10.1111/j.1540-6261.2010.01589.x/full;其 Stata code/data (好像无法连结,自己 copy & paste): http://faculty.haas.berkeley.edu/ross_levine/papers.htm 可于作者 Ross Levine 网站下载!