Stata Panel Data Exclusive 2021 -

ID, Var2020, Var2021, Var2022.

These (no cross‑unit contamination) only after xtset . stata panel data exclusive

The choice between and Random Effects (RE) isn't a coin flip—it’s a statistical decision. The Classic Hausman ID, Var2020, Var2021, Var2022

vce(cluster id year) // Stata 17+ // Or use ivreg2 with cluster(id year) stata panel data exclusive

0.82 (82% of the variance was due to country-specific differences)

Below is a draft article outline covering the implementation and analysis of exclusive categories in panel data. Analyzing Mutually Exclusive Groups in Stata Panel Data 1. Data Preparation: Defining Exclusive Groups

// Equivalent: areg with absorption areg y x1 x2 i.year, absorb(id)