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Maslowian portfolio theory (MaPT) creates a normative portfolio theory based on human needs as described by Abraham Maslow. [1] It is in general agreement with behavioral portfolio theory, and is explained in Maslowian Portfolio Theory: An alternative formulation of the Behavioural Portfolio Theory, [2] and was first observed in Behavioural Finance and Decision Making in Financial Markets.
Behavioral portfolio theory (BPT), put forth in 2000 by Shefrin and Statman, [1] provides an alternative to the assumption that the ultimate motivation for investors is the maximization of the value of their portfolios.
Nicholas Barberis and Wei Xiong have depicted the disposition impact as the trade of individual investors are one of the most important realities. The influence, they note, has been recorded in all the broad individual investor trading activity databases available and has been linked to significant pricing phenomena such as post-earnings announcement drift and momentum at the stock level.
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Behavioral Finance attempts to explain the reasoning patterns of investors and measures the influential power of these patterns on the investor's decision making. The central issue in behavioral finance is explaining why market participants make irrational systematic errors contrary to assumption of rational market participants. [1]
Behavioral game theory began with the work of Allais in 1953 and Ellsberg in 1961. They discovered the Allais paradox and the Ellsberg paradox, respectively. [8] Both paradoxes show that choices made by participants in a game do not reflect the benefit they expect to receive from making those choices.