It is a common and useful task in a web of trust to evaluate the trust value between two nodes using intermediate nodes. This technique is widely used when the source node has no experience of direct interaction with the target node, or the direct trust is not reliable enough by itself. If trust is used to support decision-making, it is important to have not only an accurate estimate of trust, ...

Although researchers have consistently demonstrated the importance of confidence in public institutions like the courts, relatively little attention has been paid to understanding what confidence itself really is. This article presents data from two samples of community members, thereby building on and extending a preliminary investigation that sought to understand constructs related to confide...

Guilt averse individuals experience a utility loss if they believe they let someone down. In particular, generosity depends on what the donor believes that the recipient expects to receive. In experimental work, several authors have identified a positive correlation between such second-order donor beliefs and generous behavior, as predicted by the guilt aversion hypothesis. However, the correla...

The current study examined the role of personality attributes and online profile characteristics as predictors of self-disclosure. The authors were specifically interested to learn how personality and profile attractiveness influenced the quantity and type of information individuals would be willing to share about themselves with a potential dating partner who they have never met before. The re...

Research interest in social networks area can be explained mainly because this type of network: (i) promotes the interpersonal relationship; (ii) has a natural tendency for knowledge emergence; (iii) generates large volumes of information. This interest is reinforced due to the fact that since the 90's Web Social Networks, e.g. Facebook or Orkut, have millions of users around the world. Our pro...

Results in behavioral economics suggest that material incentives can crowd out motivation if agents are mission-oriented rather than self-interested. We test this prediction on a sample of nonprofit organizations in Sweden. Traditionally, the contract with the main principal (the Swedish foreign aid agency) has been based on trust and self-regulation. We designed an experimental policy interven...