Navegando Publicações diversas por Autor "Amorim, Isadora Moreira de [UNESP]"
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ItemTrabalho de conclusão de cursoFinanças comportamentais e a formação de bolhas especulativas(Universidade Estadual Paulista (Unesp), 2011) Amorim, Isadora Moreira de [UNESP]; Sartoris, Alexandre [UNESP]; Universidade Estadual Paulista (Unesp)Economic crises caused by speculative bubbles are recurring in economic history but there is still no consensus on how it begins, grows and overflows. Economists and regulators seem to be inefficient in predicting and preventing this process, which is so detrimental to economic functioning. This failure proved to be obvious with the American subprime crises, which had great impact on various sectors of the U.S. economy. In this paper, we perform a literature review of the traditional theory of finance, mainly represented by the Efficient Market Hypothesis. According to this theory, asset prices always reflect their intrinsic value, assumption that doesn’t match the price boom followed by a crash, observed in the crisis generated by speculative bubbles. Finally, we present a new way to analyze this phenomenon, in the light of the investors’ behavioral aspects and the flaws inherent to the financial markets