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have specific rules or constitutions governing which members may join or leave it. Given these constitutions, we consider a … social network to be stable if no group is modified any more. We provide requirements on constitutions and players …, therefore, have influence on the stability of the job market. …
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In a general model of trading networks with bilateral contracts, we propose a suitably adapted chain stability concept … that plays the same role as pairwise stability in two-sided settings. We show that chain stability is equivalent to … stability if all agents' preferences are jointly fully substitutable and satisfy the Laws of Aggregate Supply and Demand. In the …
Persistent link: https://www.econbiz.de/10012415626
We develop a model of information exchange through communication and investigate its implications for information aggregation in large societies. An \textit{underlying state} determines payoffs from different actions. Agents decide which others to form a costly \textit{communication link} with,...
Persistent link: https://www.econbiz.de/10011684965
We survey the literature on the economic consequences of the structure of social networks. We develop a taxonomy of "macro" and "micro" characteristics of social interaction networks and discuss both the theoretical and empirical findings concerning the role of those characteristics in...
Persistent link: https://www.econbiz.de/10011444460
We study a dynamic model of opinion formation in social networks. In our model, boundedly rational agents update opinions by averaging over their neighbors' expressed opinions, but may misrepresent their own opinion by conforming or counter-conforming with their neighbors. We show that an...
Persistent link: https://www.econbiz.de/10010357984
We present a model of opinion formation where individuals repeatedly engage in discussion and update their opinion in a social network similarly to the DeGroot model. Abstracting from the standard assumption that individuals always report their opinion truthfully, agents in our model may state...
Persistent link: https://www.econbiz.de/10010342212
Mauleon, Roehl and Vannetelbosch (GEB, 2018) develop a general theoretical framework to study the stability of … constitutional stability to study the group structures that are going to emerge at equilibrium in overlapping coalition settings …. They combine requirements on constitutions and preferences for guaranteeing both the existence and the emergence of …
Persistent link: https://www.econbiz.de/10012906850
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