Population surveys around the world face the problem of declining cooperation and participation rates of respondents. Not only can item nonresponse and unit nonresponse impair important outcome measures for inequality research such as total household disposable income; there is also a further...

Social security entitlements are a substantial source of wealth that grows in importance over the individual's lifecycle. Despite its quantitative relevance, social security wealth has been thus far omitted from wealth inequality analyses. In Germany, it is the lack of adequate micro data that...

This paper explores the methodological issues to take into account when using SOEP as a database for calculating a measure of housing costs and housing affordability. For this purpose, we focus on the evolution of housing costs for households headed by elderly people between 1998 and 2018. Our...