We assess in the laboratory the impact of promises on group decision-making. The gift-exchange game provides the testing ground for our experiment. When played between groups, inter-group cooperation and reciprocity represent a condition for efficiency in overall decision making. We find that...

The paper examines in the laboratory how risk-taking situations are affected by the conditions of observing other's choices (observer) and being observed by others (source). By extending Yechiam et al.'s (2008) experimental design to the domain of gains we find that observers are more probable...

In contrast with Apesteguia and Palacios-Huerta (2009), we provide laboratory evidence that strictly competitive environments are characterized by a second-mover advantage. This finding is obtained in a setting, a free-throw shooting competition among pairs of professional basket players, which...

The paper analyzes the case of Belgium to provide insight into the relationships among ethnic heterogeneity, voting participation and local economic growth. We find that heterogeneity, and external and internal mobility reduce immigrants’ voting participation, while we do not find support for...

In this paper we compare - in the laboratory - stoppage and virtual strike. Our experiment confirms that higher wages offered by an employer lead to considerably more costly effort provision. The number of strikes, the level of efforts and average total payoffs are higher under virtual strike...