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...

A particular shortcoming of panel surveys is potential bias arising from selective attrition. Based on data from the German Socio-Economic Panel Study (SOEP) we analyze potential artifacts (level, structure, inequality of income) by comparing results from two independently drawn panel...