Poor coverage of top incomes in surveys, also referred to as the "missing rich" problem, leads to severe underestimation of income inequality. At the regional level this shortcoming is even more eminent due to small regional sample sizes. Tax records contain more accurate income information at...

Zusammenfassung Das Instrumentarium der Fuzzy-Set-Theorie bietet die Möglichkeit, bei der Armutsmessung jeder Einheit einen Grad der Zugehörigkeit zur Gesamtheit der Armen zuzuordnen. Eine scharfe Armutsgrenze, wie sie bei traditioneller Armutsmessung benötigt wird, ist entbehrlich. Darüber...

Summary Modern survey sampling methods generally deal with improving estimators with respect to available prior information. An increasingly important source of prior information is data from registers. In some countries, e.g. Canada, The Netherlands, and the Scandinavian countries, personal...