In many cases individuals benefit differently from the provision of a public good. We study in a laboratory experiment how heterogeneity in returns and uncertainty affects unconditional and conditional contribution behavior in a linear public goods game. The elicitation of conditional...

We investigate the role of affect and deliberation on social preferences. In our laboratory experiment subjects decide on a series of mini Dictator games while they are under varying degrees of cognitive load. The cognitive load is intended to decrease deliberation and therefore enhance the...

Taking the initiative is a crucial element of leadership and an important asset for many jobs. We assess leadership in a game in which it emerges spontaneously since people have a non-obvious possibility to take the initiative. Combining this game with small experimental games and...

To understand cooperative behaviour in social-dilemma experiments, we need to understand the game participants play not only in monetary but in preference terms. Does a Nash-prediction based on participants' actual preferences describe their behaviour in a public-good experiment well? And if...