Behavioral portfolio theory

Behavioral portfolio theory (BPT), put forth in 2000 by Shefrin and Statman, provides an alternative to the assumption that the ultimate motivation for investors is the maximization of the value of their portfolios. It suggests that investors have varied aims and create an investment portfolio that meets a broad range of goals. It does not follow the same principles as the capital asset pricing model, modern portfolio theory and the arbitrage pricing theory. A behavioral portfolio bears a strong resemblance to a pyramid with distinct layers. Each layer has well defined goals. The base layer is devised in a way that it is meant to prevent financial disaster, whereas, the upper layer is devised to attempt to maximize returns, an attempt to provide a shot at becoming rich.

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