Although both betweenness and closeness centrality are claimed to be important for the effectiveness of someone's network position, it has not been explicitly studied which networks emerge if actors follow incentives for these two positional advantages. We propose such a model and observe that...

Frontmatter -- Contents -- 1. Complementary Studies on Trust and Cooperation in Social Settings: An Introduction -- 2. Institutional Design and Human Motivation: The Role of Homo Economicus Assumptions -- 3. Rational Choice Theory, the Model of Frame Selection and Other Dual-Process Theories. A...

If actors want to reach a particular goal, they are often better off forming collaborative relations and investing together rather than investing separately. We study the coordination and cooperation problems that might hinder successful collaboration in a dynamic network setting. We develop an...

The explosion in online social networks motivates an enquiry into their structure and their welfare effects. A central feature of these networks is information sharing: online social networks lower the cost of getting information from others. These lower costs affect the attractiveness of...

The explosion in online social networks motivates an enquiry into their structure and their welfare effects. A central feature of these networks is information sharing: online social networks lower the cost of getting information from others. These lower costs affect the attractiveness of...

In this paper we analyse the functioning of private capital markets in Holland in the late medieval period. We argue that in the absence of banks and state agencies involved with the supply of credit, entrepreneurs access to credit was determined by two interrelated factors. The first was the...