The behavioral assumption is one of the basics theories in classical finance. The assumption is that, under their resource constraints, human attempt to maximize their utilities, which means biggest profit and outcomes.
The two most important characteristics of the human under the behavioral assumption are
rationality and
self-interest
Self-interest generally refers to a focus on the needs or desires (''interests'') of one's self. Most times, actions that display self-interest are often performed without conscious knowing. A number of philosophical, psychological, and economic ...
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References
Finance theories
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