Data Exclusive _top_: Stata Panel

* 1. Estimate Fixed Effects and store results quietly xtreg y x1 x2 x3, fe estimates store fixed * 2. Estimate Random Effects and store results quietly xtreg y x1 x2 x3, re estimates store random * 3. Run the Hausman comparison hausman fixed random Use code with caution.

xtreg y x, fe estimates store fe xtreg y x, re hausman fe re stata panel data exclusive

The Difference GMM estimator takes first differences to remove individual fixed effects. It then instruments the differenced lagged dependent variable using lagged levels. xtabond y x1 x2, gmm(y) iv(x1 x2) nofte Use code with caution. System GMM (Blundell-Bond) stata panel data exclusive