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This paper examines the small world hypothesis. The first part of the paper presents empirical evidence on the evolution of a particular world: the world of journal publishing economists during the period 1970-2000. We find that in the 1970's the world of economics was a collection of islands....
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The structures of social interaction affect individual behavior and economic performance in important ways. This leads us to ask: does the architecture of social interaction exhibit particular patterns and are these patterns stable over time? We examine interaction among economists by looking at...
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We consider a non-cooperative model of information networks where communication is costly and not fully reliable. We … examine the nature of Nash networks and efficient networks. <p>We find that if the society is large, and link formation costs … are moderate, Nash networks as well as efficient networks will be `super-connected' i.e. every link is redundant in the …
Persistent link: https://www.econbiz.de/10005370600
equilibrium networks as well as study the effects of network structure on individual behavior. Our analysis shows that both …
Persistent link: https://www.econbiz.de/10005371503
We develop a model of strategic networks that captures two distinctive features of interfirm collaboration: bilateral … to invest in R&D, and the architecture of collaboration networks. In the absence of firm rivalry, the complete network …, under strong market rivalry the complete network is stable, but intermediate levels of collaboration and asymmetric networks …
Persistent link: https://www.econbiz.de/10005144414
When there are competing technologies or products with unknown payoffs an important question is which technology will prevail and whether technologies with different payoffs can coexist in the long run. In this paper, we use a social learning model with local interactions to study this question....
Persistent link: https://www.econbiz.de/10005155366
We consider a non-cooperative model of information networks where communication is costly and not fully reliable. We … examine the nature of Nash networks and efficient networks. …
Persistent link: https://www.econbiz.de/10010837838