fgleric 发表于 2012-10-16 07:59
i think you need control industry effect.

different industry has different tfp

fgleric 发表于 2012-10-17 11:06
tab industry,gen(i_)

angelatao 发表于 2012-10-18 22:04
谢谢哦，您回答的是如何生成industry dummy吧。俺想问的是，分行业估计生产率时，有没有将行业分类嵌入LP ...