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Decisoes financeiras a luz da economia comportamental: estudo comparativo dos alunos dos cursos de Economia e Administracao de uma universidade federal brasileira

Author

Listed:
  • Débora Cristiane Pena Lima Kaizer
  • Eduardo de Sá Fortes Leitão Rodrigues
  • Ariele da Silva Moreira Rodrigues Ferreira

Abstract

Neste artigo, buscou-se replicar o estudo seminal de Kahneman e Tversky (1979), denominado “teoria do prospecto”, a fim de entender como os alunos que estao concluindo os cursos de Economia e de Administracao de uma universidade federal brasileira tomam decisoes financeiras em condicoes de risco e incerteza. As financas comportamentais sao uma área recente das financas, cuja base é a teoria do prospecto, a qual objetiva explicar decisoes “irracionais” dos investidores causadas por fatores emocionais que a moderna teoria de financas, por vezes, nao é capaz de resolver. Por meio de uma pesquisa de campo, avaliou-se um inquérito com 27 questoes para aferir a tomada de decisao em diferentes condicoes. A análise dos resultados foi conduzida comparando os resultados da atual pesquisa com a pesquisa seminal. Os resultados corroboram a existencia dos efeitos pro-postos na teoria do prospecto, bem como a interferencia dos vieses cognitivos. Concluiu-se ainda que os alunos ao final dos cursos tomam decisoes enviesadas independentemente de contarem com maior grau de instrucao.******In this article, the seminal study of Kahneman and Tversky (1979) called “prospective theory” is being replicated with the objective of understanding how the students who are finishing their undergraduate studies in Economy and Administration at a federal Brazilian university make financial decisions under uncertain and risk-taking conditions. Behavioral finances are a recent area of finances based on prospective theory, whose objective is to explain “irrational” decisions from the investors caused by emotional factors that modern financial theory sometimes is not able to solve. Through a field research, a 27-question survey was evaluated to assess decision making under different conditions. The analysis of the results was carried out by comparing the results from the current survey with the seminal survey. The results confirm the existence of the effects proposed in the prospective theory, as well as the interference of cognitive biases. It was also concluded that the students at the end of the courses make biased decisions independently from having a higher level of education.******En este artículo, se ha buscado replicar el estudio seminal de Kahneman y Tversky (1979), llamado “teoría prospectiva”, con el objetivo de comprender cómo los estudiantes que están finalizando el pregrado en Economía y Administración en una universidad federal brasilena toman decisiones financieras en condiciones de riesgo e incertidumbre. Las finanzas conductuales son un área reciente de las finanzas, basada en la teoría prospectiva, que tiene como objetivo explicar las decisiones "irracionales" de los inversores causadas por factores emocionales que la teoría financiera moderna a veces es incapaz de resolver. A través de una investigación de campo, se evaluó una encuesta con 27 preguntas para evaluar la toma de decisiones en diferentes condiciones. El análisis de los resultados se realizó comparando los resultados de la encuesta actual con la encuesta seminal. Los resultados corroboran la existencia de los efectos propuestos en la teoría prospectiva, así como la interferencia de sesgos cognitivos. También se concluyó que los estudiantes al final de los cursos toman decisiones sesgadas independientemente de que tengan un nivel educativo superior.

Suggested Citation

  • Débora Cristiane Pena Lima Kaizer & Eduardo de Sá Fortes Leitão Rodrigues & Ariele da Silva Moreira Rodrigues Ferreira, 2021. "Decisoes financeiras a luz da economia comportamental: estudo comparativo dos alunos dos cursos de Economia e Administracao de uma universidade federal brasileira," Revista Facultad de Ciencias Económicas, Universidad Militar Nueva Granada, vol. 29(2), pages 225-248, October.
  • Handle: RePEc:col:000180:019714
    DOI: 10.18359/rfce.5551
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    More about this item

    Keywords

    finanças comportamentais; teoria do prospecto; vieses cognitivos; atalhos mentais;
    All these keywords.

    JEL classification:

    • D14 - Microeconomics - - Household Behavior - - - Household Saving; Personal Finance
    • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
    • D91 - Microeconomics - - Micro-Based Behavioral Economics - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making
    • G41 - Financial Economics - - Behavioral Finance - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making in Financial Markets

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