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I discuss a fundamental and pervasive aspect of social networks that has a signfii cant impact on behavior: "homophily. "Homophily refers to the tendency of individuals to associate with others who have similar characteristics as themselves. This tendency has been observed across a variety of...
Persistent link: https://www.econbiz.de/10014199462
the emerging network, and in particular its segregation pattern. A special case of the strategic game represents one … but do exhibit neither negative nor positive spillovers; specifically, for a given network of relationships, the players … implication: endogenous effects are not identifiable in the linear-in-means model if the network of relationships and the players …
Persistent link: https://www.econbiz.de/10013220345
This paper reports the results of a laboratory experiment on network formation among heterogeneous agents. The … experimental design extends the basic Bala-Goyal (2000) model of network formation with decay and two-way flow of benefits by … network has a "star" structure. We find that with homogeneous agents, equilibrium predictions fail completely. In contrast …
Persistent link: https://www.econbiz.de/10003115141
knowledge production, where collaboration between researchers is represented by a bipartite network. The equilibrium of the game … analyzing the coauthorship network of economists registered in the RePEc Author Service …
Persistent link: https://www.econbiz.de/10014048763
socially efficient level. We analyze the situation when the tragedy of the commons is embedded in a network of users and … exists a unique equilibrium. But when the users have concave values, the network structure matters. The exploitation at each … formula which expresses the quantities at an equilibrium as a function of a network centrality measure. Next we characterize …
Persistent link: https://www.econbiz.de/10014219023
This paper applies for the first time power index analysis to the famous Krackhardt’s kite social network by imposing a … weighted voting game on the given network structure. It compares the results of this analysis, derived by applying the Public … traditional centrality measures are rather a first approximation for evaluating the power in a network as they considerably …
Persistent link: https://www.econbiz.de/10014106013
when the conflict network and/or the cost function take particular forms …
Persistent link: https://www.econbiz.de/10012889414
New ideas and technologies adopted by a small number of individuals occasionally spread globally through a complex web of social ties. Here, we present a simple and general approximation method, namely, a message-passing approach, that allows us to describe the diffusion processes on complex...
Persistent link: https://www.econbiz.de/10013239038
This paper presents a model of local network effects in which agents connected by a social network each value the …-Nash equilibria of this network game are in monotone strategies, can be strictly Pareto-ranked based on a scalar neighbor … which the social network is an instance of a Poisson random graph, when it is a complete graph, a standard model of network …
Persistent link: https://www.econbiz.de/10014028465
show that the individual's incentives depend on the architecture of the network, as well as on the position of the … individual within the network. In particular, when an efficient interaction requires players to mutually cooperate, efficient …
Persistent link: https://www.econbiz.de/10014029121