In this paper we discuss the rationale for tracing non-original sample members (Non-OSMs) in household panel studies, and in particular in SOEP, and the implications for weighting. We present results on the incidence, survival rates, and thus the relevance of Non-OSMs in the SOEP.

Restrictions on new constructions and modernisations occur in almost all countries and numerous regulations apply in Germany. This article outlines regulations regarding the protection of historical buildings, restoration law and preservation statutes and describes compensatory subsidies...

International sports will have to strengthen their efforts to exclude persons with morals in conflict with their sports. IOC and FIFA should mirror their top ambitions in athletic and financial areas by similarly leading ambitions to serve human mankind more generally. To encounter critiques...