170034 20260316092629.0 doi 10.1007/978-3-319-12328-8_13 sideral 89720 ART-2015-89720 eng López-Ruiz, R. Universidad de Zaragoza (orcid)0000-0003-4055-3390 Random market models with an H-theorem 2015 In this chapter, some economic models given by functional mappings are addressed. These are models for random markets where agents trade by pairs and exchange their money in a random and conservative way. They display the exponential wealth distribution as asymptotic equilibrium, independently of the effectiveness of the transactions and of the limitation of the total wealth. The entropy increases with time in these models and the existence of an H-theorem is computationally checked. Also, it is shown that any small perturbation of the models equations make them to lose the exponential distribution as an equilibrium solution. Access copy available to the general public Unrestricted info:eu-repo/semantics/openAccess All rights reserved http://www.europeana.eu/rights/rr-f/ info:eu-repo/semantics/article info:eu-repo/semantics/submittedVersion Shivanian, E. López, J. L. 5007 075 Universidad de Zaragoza Dpto. Informát.Ingenie.Sistms. Área Ciencia Comput.Intelig.Ar 112 (2015), 215-226 Springer Proceedings in Mathematics & Statistics 2194-1009 118438 http://zaguan.unizar.es/record/170034/files/texto_completo.pdf Preprint 1202007 http://zaguan.unizar.es/record/170034/files/texto_completo.jpg?subformat=icon icon Preprint oai:zaguan.unizar.es:170034 articulos driver 2026-03-16-08:17:13 ARTICLE