2 papers
econ.EM2026
Testing selection on observables in parametric models with refreshment samples
Grigory Franguridi, Arie Kapteyn
In panels with sample selection (that may occur due to attrition, nonresponse, etc.), the assumption of selection on observables (missing at random, MAR) is commonly imposed despit…
econ.EM2025
Raking for estimation and inference in panel models with nonignorable attrition and refreshment
Grigory Franguridi, Jinyong Hahn, Pierre Hoonhout +2
In panel data subject to nonignorable attrition, auxiliary (refreshment) sampling may restore full identification under weak assumptions on the attrition process. Despite their gen…