Stata Panel Data (PROVEN)

Used when the lagged dependent variable is included as a predictor (e.g., ). Use xtabond or xtabond2 (for Difference or System GMM).

The Fixed Effects model controls for all time-invariant, unobserved characteristics of the entities (e.g., a country’s culture or a person's genetics). It explores the variation. xtreg gdp investment unemployment, fe Use code with caution.

What make up your independent variables (are they mostly time-invariant, like gender, or time-varying, like GDP)? stata panel data

If the p-value < 0.05, FE is consistent and RE is inconsistent. Use FE. If p-value > 0.05, RE is more efficient.

The output includes important statistics: Used when the lagged dependent variable is included

Rarely used alone but helpful for understanding cross-sectional relationships.

Some units have missing time periods. (Stata handles unbalanced panels automatically for most commands). 2. Exploring and Describing Panel Data It explores the variation

eststo: xtreg wage experience union i.year, fe eststo: xtreg wage experience union i.year, re esttab using panel_results.rtf, replace mtitles("FE" "RE") se