Hess, Wolfgang; Persson, Maria; Rubenbauer, Stephanie; … - Nationalekonomiska Institutionen, Ekonomihögskolan - 2013
When analyzing panel data using regression models, it is often reasonable to allow for time-varying covariate effects. We propose a novel approach to modelling timevarying coefficients in panel data regressions, which is based on penalized regression techniques. To illustrate the usefulness of...