Although each statistical unit on which measurements are taken is unique typically there is not enough information available to account totally for its uniqueness. Therefore heterogeneity among units has to be limited by structural assumptions. One classical approach is to use random effects models, which assume that heterogeneity can be described by distributional assumptions. However, inferen...

Abstract This research has aimed to examine the feedback effects between economic growth and environmental degradation through health that is one of human capital elements and also the consequences of such these relationships on economic convergence process during the period 1990-2013 for 60 developing countries in framework of simultaneous equations model by using unbalanced panel data analysi...

We provide three estimation strategies for the of direct net effects events and respective substitution based on a quantitative model. apply to estimate effect fairs overnight stays in Basel. show that deseasonalizing by year day fixed is superior month week semi-parametric deseasonalizing. find increase nights during 17% 8% 4% preceding nights. The only one fourth gross effect. These results d...