This discussion paper deals with the estimation of a random coefficient model. The virtue of this approach is that it considers firm heterogeneity, which conventional SFA models do not. Applying the model to Polish farms, the results indicate that the conventional random and fixed effect models...

Labour market policy, subjective well-being, reemployment stability, Europe, unemployment benefits, unemployment, social inclusion, job quality, active labour market policy, one-euro-jobs, treatment effects, duration analysis, multi-level analysis, ALMP. - This dissertation analyses the effects...

Improving school quality with limited resources is a key issue of policy. It has been suggested that instructing teachers to follow specific practices together with tight monitoring of their activities may help improve outcomes in under-performing schools that usually serve poor populations....

This paper develops a random effects model for quantile regression (QR). We establish identification of the QR coefficients, and develop practical estimation and inference procedures. We employ a simple pooled QR estimator to estimate the coefficients of interest, and derive its statistical...