development of a stylized agent-based model we aim to show how similarity in values can be a successful driver for cooperation. A … able to explain the emergence of stable interacting groups. This paper deals with how groups of agents emerge in a dynamic … successful and relatively stable groups. The model nicely tries some stylized facts and sheds some light on potential avenues for …

groups or stay on their own, in a world where similarity across peers matters. In particular, we investigate the role of … making) in fostering higher levels of cooperation, assessed through higher participation rates to groups. Starting from the …This paper studies the profile of cooperation emerging in a context in which agents may choose to join one of two …

Team effectiveness and group performance are often defined by standards set by domain experts. Professional musicians …

tests Portes’ theory with data from the European Social Survey in 13 countries complemented with country level data on …

Differently from previous studies of tag-based cooperation, we assume that individuals fail to recognize their own tag …. Due to such incomplete information, the action taken against the opponent cannot be based on similarity, although it is … unconditional cooperation, unconditional defection or conditional cooperation. We then consider the removal of one or two strategies …

Differently from previous studies of tag-based cooperation, we assume that individuals fail to recognize their own tag …. Due to such incomplete information, the action taken against the opponent cannot be based on similarity, although it is … unconditional cooperation, unconditional defection or conditional cooperation. We then consider the removal of one or two strategies …

. Simple and general game harmony measures can predict mean cooperation in 2 x 2 games such as the Prisoner`s Dilemma, the … Chicken and trust games. Two measures can be simply computed from monetary payoffs; another, the similarity index, can also be … justified by theories of similarity-based reasoning. When data from Oxford and Frankfurt-Oder are disaggregated across …

This study investigated the effects of two group decision making techniques on a set of four problems in groups of … accuracy for each of the problems were collected for a series of three trials. One set of groups received face-to-face verbal … somewhat more accurate than those obtained from either of the interacting groups. At the same time, all individuals became more …

the acceptance of advice for a judgmental, taste forecast task, whereas advisor confidence was a more important predictor …