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 provides a review of research using virtual reality as a tool in experimental economics. It addresses the question of whether behavior in virtual environments is a valuable source of empirical evidence for economists. A typology of virtual reality experiments based on the difference...

The aim of this work is to analyze tax evasion as a factor that potentially affects internal control of firms as an application of the Chen and Chu's model (2005). For this purpose an experimental approach was employed. Treatments varied depending on whether agents were assumed to be risk-...