2008
DOI: 10.1140/epjb/e2008-00390-7
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Socio-economical dynamics as a solvable spin system on co-evolving networks

Abstract: Abstract. We consider social systems in which agents are not only characterized by their states but also have the freedom to choose their interaction partners to maximize their utility. We map such systems onto an Ising model in which spins are dynamically coupled by links in a dynamical network. In this model there are two dynamical quantities which arrange towards a minimum energy state in the canonical framework: the spins, si, and the adjacency matrix elements, cij. The model is exactly solvable because mi… Show more

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Cited by 19 publications
(15 citation statements)
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“…In recent years, statistical physicists have turned their attention to the analysis of such systems and found applications in many academic disciplines outside the traditional confines of physics. These include sociology [5], economics [6], complex networks [7] as well as in more exotic areas [8]. Each of these disciplines involve cooperative phenomena emerging from the interactions between individual units.…”
Section: The Relationship Between Quality and Quantitymentioning
confidence: 99%
“…In recent years, statistical physicists have turned their attention to the analysis of such systems and found applications in many academic disciplines outside the traditional confines of physics. These include sociology [5], economics [6], complex networks [7] as well as in more exotic areas [8]. Each of these disciplines involve cooperative phenomena emerging from the interactions between individual units.…”
Section: The Relationship Between Quality and Quantitymentioning
confidence: 99%
“…wealth) as a function of their local social networks, and vice versa, their social evolution as a function of their economic network, can be extracted from the data. The theoretical literature on co-evolving networks is relatively sparse (Biely et al, 2007(Biely et al, , 2009; to our knowledge there exist practically no measurements on this issue so far.…”
Section: Introductionmentioning
confidence: 99%
“…The development of "new mathematical formalisms for the co-evolutionary dynamics of states and interactions" has been identified by Thurner, Hanel and Klimek as one of the key directions of future research in the Theory of Complex Systems (Chapter 7 of [52]). San Miguel, Eguíluz and others published on the co-evolution of dynamical states and interactions, addressing the question of network formation [53][54][55][56][57][58]. In this context, we have modeled and explored the co-evolution of link weights and knowledge levels among intelligent interacting agents.…”
Section: Discussionmentioning
confidence: 99%