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dc.contributor.author Aragonés, Enriqueta
dc.contributor.other Universitat Pompeu Fabra. Departament d'Economia i Empresa
dc.date.accessioned 2017-07-26T10:50:37Z
dc.date.available 2017-07-26T10:50:37Z
dc.date.issued 1994-01-01
dc.identifier https://econ-papers.upf.edu/ca/paper.php?id=163
dc.identifier.citation Journal of Theoretical Politics, 9, 2, (1997), pp. 189-210
dc.identifier.uri http://hdl.handle.net/10230/298
dc.description.abstract ``Negativity effect'' refers to the psychological phenomenon that people tend to attach greater weight to negative information than to equally extreme and equally likely positive information in a variety of information processing tasks. Numerous studies of impression formation have found that negative information is weighted more heavily than positive information as impressions of others are formed. There is empirical evidence in political science that shows the importance of the negativity effect in the information processing of the voters. This effect can explain the observed decrease of popularity for a president the longer he is in office. \\ We construct a dynamic model of political competition, incorporating the negativity effect in the decision rule of the voters and allowing their preferences to change over time, according to the past performance of the candidates while in office. Our model may explain the emergence of ideologies out of the competition for votes of myopic candidates freely choosing policy positions. This result gives rise to the formation of political parties, as infinitely--lived agents with a certain ideology. Furthermore, in this model some voters may start out by switching among parties associated with different policies, but find themselves supporting one of the parties from some point on. Thus, the model describes a process by which some voters become identified with a ``right'' or ``left'' bloc, while others ``swing'' between the two parties.
dc.format.mimetype application/pdf
dc.language.iso eng
dc.relation.ispartofseries Economics and Business Working Papers Series; 163
dc.rights L'accés als continguts d'aquest document queda condicionat a l'acceptació de les condicions d'ús establertes per la següent llicència Creative Commons
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.title Negativity effect and the emergence of ideologies
dc.type info:eu-repo/semantics/workingPaper
dc.date.modified 2017-07-23T02:02:31Z
dc.subject.keyword negativity effect
dc.subject.keyword formation of ideologies
dc.subject.keyword Labour, Public, Development and Health Economics
dc.rights.accessRights info:eu-repo/semantics/openAccess


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