Die vorliegende Studie wurde im Arbeitsbereich "Sozialpolitik und Arbeitsmärkte" erstellt und im Mai 2008 abgeschlossen. Auftraggeber war das Bundesministerium für Arbeit und Soziales. Gegenstand der Studie ist ein Performancevergleich von Arbeitsgemeinschaften (ARGEn) und zugelassenen...

Multiplicative growth processes that are subject to random shocks often have a skewed distribution of outcomes. In a number of incentivized laboratory experiments we show that a large majority of participants either strongly underestimate skewness or ignore it completely. Participants...

Circular migration receives increasing attention due to its empirical relevance and as a policy concept to manage labor flows. This review discusses the advantages and disadvantages of circular movements for all parties. It studies the characteristics of circular movers worldwide and...

In this paper the hypothesis that partnerships between immigrants and natives are less specialized – in the sense that spouses provide similar working hours per weekday – than those between immigrants is tested. The empirical analysis relies on panel data using a two-limit random effects...