conduct simulations and find that the estimation error of the present bias parameter is so large that its effect is difficult …

In the presence of selection bias, traditional estimators of pseudo panel data are inconsistent. In this paper, the … selection bias. Specifically, they propose a Wald test for the null hypothesis that there is no selection bias. Under rejection …-panel regressions to test for selection bias and estimate the returns to education in Colombia. The authors corroborate the existence of …

, organizations may bias their communication. The bias depends on the ex ante beliefs of donors and on mass media reporting. …

the one hand we correct the individual forecasts, and on the other we calculate bias based weights. A simulation study …

This paper introduces bias-corrected estimators for nonlinear panel data models with both time invariant and time …

that such bias-reducing weights must depend on the data unless an orthogonal reparameterization or an essentially …. Finally, we show that random effects estimators are not bias reducing in general and discuss important exceptions. Three …