Dear all,

Sorry for basic question. I am estimating dynamic panel data model for 40 countries & 20-30 years at quarterly frequency. I am trying to decide whether I should use xtreg FE model or xtabond. From what I read, xtabond is for large N and small T, while xtreg FE can work (less dynamic panel bias) for large T. Since I have 20-30 years of data (depending on the country) at quarterly frequency, is that a small or large T? It is lower than 25 in terms of year, but of course more in terms of quarter. Thank you.


Best regards,

Abdan