The emergence of risk aversion
β 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.
β¦ 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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