Following the predominance of macroeconomic stabilisation policies and passive income support schemes in the first phase of transition, active labour market policies (ALMPs) have now come to play a more important role in transition economies. This paper looks at the Polish experience and...

This paper analyzes peer effects among university scientists. Specifically, it investigates whether the number of peers and their average quality affects the productivity of researchers in physics, chemistry, and mathematics. The usual endogeneity problems related to estimating peer effects are...

Die Untersuchung sozialer Ungleichheiten gehört zum Hauptgeschäft der Soziologie. Viele Ursache-Wirkungs-Mechanismen für Ungleichheitsphänomene sind gut erforscht, zumeist existieren alternative oder komplementäre Erklärungen für vorhandene Ungleichheiten. Aus dem Wissen, wie...

Ethnic diversity is typically measured by the well-known Hirschman-Herfindahl Index. This paper discusses the merits of an alternative approach, which is in our view better suited to tease out why and how ethnic diversity matters. The approach consists of two elements. First, all existing...

This paper investigates the impact of peer observation on the consumption decisions of rural households in Thailand using a lab-in-the-field experiment. We find that those groups that observe each other show lower within group standard deviation in their decisions. Thus, we find evidence for...

In the Solidarity game lucky winners of a lottery can transfer part of their income to unlucky losers. Will losers get smaller transfers if they can be assumed to be responsible for their zero income because they have chosen riskier lotteries? Or will risk-lovers and riskaverters favor those who...

Ambition as the desire for personal achievement is an important driver of behavior. Using laboratory experiments, we study the role of social influence on ambition in two distinct domains of achievement, namely performance goals and task complexity. In the first case, participants set themselves...