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Teoria Do Prospecto: Eviddncias Aplicadas Em Finannas Comportamentais (Prospect Theory: Applied Evidence in Behavioral Finance)

Authors: Thiago Barros; Israel Felipe;

Teoria Do Prospecto: Eviddncias Aplicadas Em Finannas Comportamentais (Prospect Theory: Applied Evidence in Behavioral Finance)

Abstract

Portuguese Abstract: As Financas Comportamentais tem sido uma via alternativa para a compreensao da realidade economica e financeira, por meio de um vies mais abrangente, contrapondo alguns paradigmas e preceitos das Financas Tradicionais e seus respectivos modelos. Em face disso, este artigo analisa elementos fundamentais das financas comportamentais e, para este efeito, utiliza a Teoria do Prospecto, pesquisa empirica desenvolvida por Kahneman e Tversky (1979), para investigar a manifestacao dos efeitos certeza, reflexo e isolamento no processo de decisao, por parte dos agentes, e a influencia do genero nas questoes relacionadas as perdas e exposicao ao risco. Assim, por meio de uma pesquisa de campo, foram aplicados questionarios numa amostra de 150 discentes do curso de Ciencias Economicas da Universidade Federal de Ouro Preto e os dados foram tratados por meio de estatistica descritiva e de um teste nao parame- trico (Qui-Quadrado). Os resultados confirmam empiricamente a existencia dos tres efeitos preconizados na Teoria do Prospecto e as influencias de vieses cognitivos ao longo do processo decisorio por parte dos agentes, alem de evidenciar diferencas importantes quando da separacao por generos, ja que as mulheres, em determinadas ocasioes de ganho, mostraram-se mais avessas ao risco que os homens.English Abstract: The Behavioral Finance has been an alternative way to understanding the economic and financial reality through a wider bias, some contrasting paradigms and precepts of Traditional Finance and their models. On Given this, this article analyzes fundamental elements of behavioral finance and, for this purpose, it uses the Prospect Theory, empirical research developed by Kahneman and Tversky (1979), to investigate the manifestation of certain effects, reflection and isolation in decision-making by the agents and the influence of gender on matters related to losses and risk exposure. Thus, through a field survey, questionnaires were applied in a sample of 150 students from the Economics of the Federal University of Ouro Preto and the data were processed using descriptive statistics and non-parametric (chi-square) tests. The results empirically confirm the existence of the three effects advocated in Prospect Theory and the influence of cognitive biases through the decision process by the agents, and show important differences when split by gender, since women at certain times of gain, were more risk averse than men.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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