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The emergence of risk aversion

✍ Scribed by George G. Szpiro


Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
156 KB
Volume
2
Category
Article
ISSN
1076-2787

No coin nor oath required. For personal study only.

✦ Synopsis


Economic decision making under uncertainty is universally characterized by aversion to risk. One of the most basic concepts in economic theory, risk aversion is usually explained by the concavity of the utility function, which, in turn, is based on a person's satiability for wealth. I use genetic algorithms to show that risk aversion, and some related consequences, emerge naturally as a result of evolutionary pressures. In analogy to the well-known hillclimbing metaphor, it is helpful in this context to characterize optimizing under uncertainty as "surfing in a fitness seascape.


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