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...