Sustaining Group Reputation

Social Transformation, Group Reputation, and Reputation Matching

Unlike in small communities where one can strategically interact with another according to the latter’s individual reputation, players in complex societies often have to interact with strangers whose individual reputations cannot be easily acquired. They often have to infer their counterparts’ characteristics from the latters’ group reputation to simplify decision making. We provide a game theo...

Reputation, Group Structure and Social Tension

Reputation, Group Structure and Social Tensions

Social tensions impede social cohesion and public goods provision. They can also be a driving force for more serious conflicts such as civil wars. Surprisingly, however, the emergence of social tensions has only rarely been studied in the literature. In the present contribution a game-theoretic model highlights how reputation concerns and the structure of group cleavages matter for the emergenc...

Group Reputation — A Model of Corruption

We explore what group reputation is and model its formation and evolution. We define a player’s group reputation as the belief others have about the characteristics of the group he belongs to, which is based only on group signals. A player’s individual reputation is derived from his group reputation by adding individual signals. A model of group reputation of civil servants is constructed to id...

Sustaining Group Cognition in a Math Chat Environment

Learning takes place over long periods of time that are hard to study directly. Even the learning experience involved in solving a challenging math problem in a collaborative online setting can be spread across hundreds of brief postings during an hour or more. Such long-term interactions are constructed out of posting-level interactions, such as the strategic proposing of a next step. This pap...