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S Jul 24, 2013 at 13:00 history suggested John CC BY-SA 3.0
Additional info.
Jul 24, 2013 at 12:58 review Suggested edits
S Jul 24, 2013 at 13:00
Jul 24, 2013 at 11:51 answer added IMA timeline score: 1
Jul 24, 2013 at 7:23 comment added semibruin You are asking the validity of pooled OLS estimation in panel data model. When the individual or city has unobserved effect that is correlated with the observed covariates, the pooled ols will be biased and inconsistent. If you don't have panel structure, you probably have to find instruments for the endogenous variables.
Jul 23, 2013 at 23:44 review First posts
Jul 23, 2013 at 23:57
Jul 23, 2013 at 23:25 history asked John CC BY-SA 3.0