This paper deals with the question of selectivity of missing data on income questions in large panel surveys due to item-non-response and with imputation as one alternative strategy to cope with this issue. In contrast to cross-section surveys, the imputation of missing values in panel data can...

Previous cross-sectional and intervention studies have suggested that pet owners may enjoy better physical and mental health than non-owners. This paper presents longitudinal evidence from a major national representative longitudinal survey: the German Socio-Economic Panel (SOEP). Because the...

Die vorliegende Untersuchung befaßt sich mit verschiedenen Verfahren zur Berücksichtigung von Einkommensvorteilen aus selbstgenutztem Wohneigentum ("Imputed Rent") und deren Einfluß auf die personelle Einkommensverteilung. Nach einer theoretischen Darstellung der Verfahren und ihrer...

The definition and operationalization of wealth information in population surveys and the corresponding microdata requires a wide range of more or less normative assumptions. However, the decisions made in both the pre- and post-data-collection stage may interfere considerably with the...