Mixed-effects location scale models represent a powerful statistical framework designed to investigate longitudinal data. By simultaneously modelling the mean trajectories (location) and residual ...

The Journal of Economic Perspectives, Vol. 39, No. 2 (Spring 2025), pp. 261-274 (14 pages) We discuss Yair Mundlak's (1927–2015) contribution to econometrics through the lens of the fixed effects ...

This is a preview. Log in through your library . Abstract Applied sciences, including longitudinal and clustered studies in biomedicine, require analyses of ultrahigh-dimensional linear mixed-effects ...