This paper investigates opinion dynamics and social influence in directed communication networks. We study the theoretical properties of a boundedly rational model of opinion formation in which individuals aggregate the information they receive from their neighbors by using weights that are a...

Selection procedures for new recruits in research organizations, supposedly aiming at identifying the candidates with the highest potential, relies necessarily on indirect information concerning the quality of a researcher. It is safe to assume that this information is correlated to, but not...

Im vorliegenden kleinen Aufsatz werden der Geschichte der deutschen Wiedervereinigung 1990 drei 'Fußnoten' angefügt. Zu den Themen 'Abschätzung der Produktivität der DDR-Wirtschaft', 'Dauer des Aufholprozesses der Neuen Bundesländer' und 'Rentenangleichung'. Anschließend werden einige...

This articles investigates the recent trends in co-authorship in economics. Using data from more than 700.000 journal articles we show that the average number of authors per article has increased over the last years. This process is likely to be continued in the future. In a regression analysis...

Os pesquisadores brasileiros têm realizado esforços para sistematizar e avaliar a produção acadêmica das ciências sociais aplicadas no país. Essas pesquisas expressam uma elevação do nível de reflexividade do próprio pensamento científico em termos metodológicos e de implicação...

We develop a model where workers both choose their residential location (geographical space) and social interactions (social space). In equilibrium, we show under which condition the majority group resides close to the job center while the minority group lives far away from it. Even though the...

Social innovation is booming as a political buzzword. However, the concept still lacks scientific analysis, a common epistemology and a clear-cut definition. This thesis takes a step towards a better theoretical and conceptual understanding of corporate social innovation by detaching the concept...

Standard economics omits the role of narratives (the stories that people tell themselves and others) when they make all kinds of decisions. Narratives play a role in understanding the environment; focusing attention; predicting events; motivating action; assigning social roles and identities;...

This paper presents an heuristics of economic action in South Korea which is based on a qualitative study conducted on-site. It focuses on the idea of experience-near concepts - as introduced by Clifford Geertz - and is verbalised by the terms affiliation, indebtedness and mediation. The...

The probability of income loss depends on talent and effort. Effort has positive externalities and therefore individuals are proportion to their perceived diligence. The social norm requires more effort from individuals perceived as more talented, but talent is private information and...