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- W2049558505 abstract "In this paper empirical tests for the overreaction and underreaction hypothesis in the Brazilian stock market are presented. For these tests, due to the complexity of these phenomena, a new model based on the fuzzy set theory is proposed. It is shown that such model is strongly connected with two heuristics of behavioral finance: representativeness and anchoring. The proposed model is used to form portfolios based on financial indexes of open firms. The analysis is applied for stocks from petrol/petrochemical and textile firms, with financial indexes ranging from 1994 to 2005." @default.
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- W2049558505 date "2006-01-01" @default.
- W2049558505 modified "2023-09-27" @default.
- W2049558505 title "A Behavioral Fuzzy Model for Analysis of Overreaction and Underreaction in the Brazilian Stock Market" @default.
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- W2049558505 doi "https://doi.org/10.2991/jcis.2006.26" @default.
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