Based on the hypothesis that microdata are of crucial importance for internationally competitiveeconomic research and scientific advice in economic and social policy, the authorsdevelop various proposals for an improved data supply for empirical work in Germany. Present shortcomings are mainly...

Since the new millennium, research in the field of personality development has focused on the stability and change of basic personality traits. Motivational aspects of personality and their longitudinal association with basic traits have received comparably little attention. In this...