Individuals with assets in the millions of euros have been underrepresented in population surveys and accordingly little has been known about them. As a result, the full extent of wealth concentration in Germany was unknown. To close the existing data gap, the Socio-Economic Panel (SOEP) inte-...

We have developed and implemented a new sampling strategy to better represent very wealthy individuals in the German Socio-Economic Panel (SOEP). Our strategy is based on the empirical regularity that the very wealthy have at least part of their assets invested in businesses, and that businesses...