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- Tue Jul 03, 2012 4:26 am
- Forum: Econometric Discussions
- Topic: cross section fixed, period fixed or both
- Replies: 0
- Views: 2384
cross section fixed, period fixed or both
hi, I am working with 215 cross sections and 6 periods. when I do yearly regressions, for the first three years I find positive and significant relationship. in the last three years I find positive but not significant relationship. when I run a pooled least squares I find positive but not significan...