Composite indicators are useful as tool for complex evaluation and aggregation of different variables of regional development. Variables which are aggregated in a composite indicator have first to be weighted. All variables may be given equal weights or they mea be given differing weights which...

In this paper we present a grouped factor model that is designed to explore grouped structures in factor models. We develop an econometric theory consisting of a consistent classification rule to assign variables to their respective groups and a class of consistent model selection criteria to...

The purpose of this analysis is to test the hypothesis which growth in workers’ competency level is affected by educational, training and workplace features. We focused above all on the corporate e-learning activities and labour productivity, in order to identify differences between European...