In an experimental setting some Danish unemployed workers were assigned to an activation program while others were not. Unemployed who were assigned to the activation program found a job more quickly. We show that the activation effect increases with the distance between the place of residence...

In contrast to previous studies on cross-group comparisons of conditional cooperation, this study keeps cross- and within-country dimensions constant. The results reveal significantly different cooperation behavior between social groups in the same location.<p>

This paper experimentally investigates whether risk-averse individuals punish less if the outcome of punishment is uncertain than when it is certain. Our design includes three treatments: Baseline in which the one-shot prisoner’s dilemma game is played; Certain Punishment in which the...

This paper presents an experimental study of dynamic indefinite horizon R and D races with uncertainty and multiple prizes. The theoretical predictions are highly sensitive: small parameter changes determine whether technological competition is sustained, or converges into a market structure...

Dieser Aufsatz beschreibt ein Optionsbewertungsexperiment zum Binomialmodell, das mit professionellen Tradern von Finanztiteln durchgeführt wurde. Die Ergebnisse dieses Experiments werden mit denen eines entsprechenden Versuchs mit Studenten verglichen. Es zeigt sich, daß die professionellen...

Opinion is divided on whether it is better to have a single world   money or variable exchange rates.  Pope, Selten and von Hagen (2003)   propose that fresh light would be shed via an analysis that allows   for seven complexity impacts on the exchange rate that are   underplayed...

This paper experimentally explores group decision-making in a two-player power-to-take game. Discussions preceding group decisions are video taped and analyzed. Each subject first earns an income in an individual effort task preceding the game. The game consists of two stages. First, one group...