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features that have been found to characterize large socially generated networks. Moreover, we derive the distribution of degree … lower tail may exhibit substantial curvature, just as in observed networks. We then fit the model to data from six networks …. Besides offering a close fit of these diverse networks, the model allows us to impute the relative importance of search versus …
Persistent link: https://www.econbiz.de/10005062339
I survey the recent literature on the formation of networks. I provide definitions of network games, a number of …
Persistent link: https://www.econbiz.de/10005550866
This paper studies models where the correspondences (or functions) under consideration are never increasing (or weakly decreasing) in endogenous variables, and weakly increasing in exogenous parameters. Such models include games of strategic substitutes, and include cases where additionally,...
Persistent link: https://www.econbiz.de/10005407559
A new model of strategic network formation is developed and analyzed, where an agent's investment in links is nonspecific. The model comprises a large class of games which are both potential and super- or submodular games. We obtain comparative statics results for Nash equilibria with respect to...
Persistent link: https://www.econbiz.de/10005118625
We examine a simple economic model of network formation where agents benefit from indirect relationships. We show that small-world features - -- short path lengths between nodes together with highly clustered link structures --- necessarily emerge for a wide set of parameters.
Persistent link: https://www.econbiz.de/10005407573
alternative network structures (not just sub-networks) can and should influence the allocation of value among players on any given …
Persistent link: https://www.econbiz.de/10005550861
We present a simple model of spatial evolution that avoids several problems that arise with more complex networks of … captured while nonlinearities that would arise with more complex networks are avoided. We can identify characteristics of … evolution in networks such as stable cooperation in prisoners' dilemma games and long run exploitation among different …
Persistent link: https://www.econbiz.de/10005118522
We study how individuals divide themselves into coalitions and choose a public alternative for each coalition. When preferences have consecutive support and coalition feasible sets are positively population- responsive, the proposed consecutive benevolence solution generates allocations...
Persistent link: https://www.econbiz.de/10005062349
We provide a result for non-emptiness of the core in NTU games. We use a payoffs-dependent balancedness condition, based on transfer rate mappings. Going beyond the non-emptiness of standard core, existence of some refined solution is proved, including specific core allocations and...
Persistent link: https://www.econbiz.de/10005118637
Persistent link: https://www.econbiz.de/10005407524