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Expectativas Racionais e Imprevisibilidade ao Nível das Empresas do S&P 100 na Presença de Quebras Estruturais e Dependências Multifatoriais

Authors: Rivera Rivera, Edward; Basso, Leonardo Cruz; Kimura, Herbert; Forte, Denis;

Expectativas Racionais e Imprevisibilidade ao Nível das Empresas do S&P 100 na Presença de Quebras Estruturais e Dependências Multifatoriais

Abstract

Aplica-se uma nova abordagem na avaliação do modelo de expectativas racionais ao nível da empresa, conduzido em Nasseh e Strauss (2004), Goddard, McMillan e Wilson (2008) e Rivera Rivera, Martin, Marçal e Basso (2012). Aplicam-se procedimentos econométricos de cointegração em painéis não estacionários que identificam quebras estruturais desconhecidas e admitem correlação entre resíduos e fatores comuns componentes do risco sistemático. Computacionalmente, estende-se a rotina de Gutierrez (2010) para admissão de quebras heterogêneas e aumento do poder estatístico. Os resultados são impactantes na análise do modelo de equilíbrio, com evidências mais precisas sobre a aleatoriedade e relação entre preços e fundamentos.

14º Encontro Brasileiro de Finanças, Pernambuco, Brasil, 24, 25 e 26 de julho de 2014 (Session EMN-1: Econometria e Métodos Numéricos em Finanças, Part Sala E1)

Keywords

quebras estruturais, painéis não estacionários, expectativas racionais

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selected citations
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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).
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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.
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