Indirect reciprocity is defined as a specific kind of behavior: An agent rewards or penalizes another agent for having behaved kindly or unkindly toward a third party. This paper analyzes the question of what drives indirect reciprocity: Does the agent reward or penalize because she...

An increasing number of workers participate in online labor markets. In contrast to traditional employment relationships within firms, the interaction between online workers and their employers are short and impersonal, which makes motivating online workers more challenging. We present results...

Public authorities, international organizations and non-profit associations are nowadays working on identifying and solving the problems of various communities (i.e., towns, villages and other administrative-territorial units) through the development of specialized programs. Sustainable...