Sergiu Greene

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Johnson-Laird, Byrne, and Tabossi (1989) presented a theory of deductive reasoning for inference problems using multiply quantified premises (e.g., "All of the squares are connected to some of the circles"). Their theory classifies such problems into those that require subjects to construct only 1 mental model and those that require multiple models. They(More)
Modern portfolio theory focuses on the relationship between risk and return, assuming away ambiguity, uncertainty over the probability space. This paper assumes that ambiguity affects asset prices and tests the relationship between risk, ambiguity and return based on a model developed by Izhakian (2011). Its contribution is twofold; it proposes an ambiguity(More)
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