Satisficing in Financial Decision Making A Theoretical and Experimental Attempt to Explore Bounded Rationality
In this paper, we apply the bounded rationality approach to an investment situation. In a simple setting where an investor decides between a riskless bond and a risky asset, we distinguish three aspiration levels: a lowest threshold which one wants to guarantee, the aspiration level given by investing all risk-free, and an even higher return level representing a real success. The ranges for such aspirations are naturally determined by the parameters. These three aspirations allow us to classify investors as actual or only potential satisficers, as well as risk shy or more open to risk. In the experiment, participants are first asked for their lowest and highest aspiration before investing. Thus, we can test whether they behave as predicted by their aspiration type. By presupposing specific cardinal utility functions, we also compare the bounded rationality approach to the rational choice-approach.
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