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Research Details

Foraging Under Conditions of Short-term Exploitative Competition: The Case of Stock Traders, Proceedings of the British Royal Society B

Abstract

Theory purports that animal foraging choices evolve to maximize returns, such as net energy intake. Empirical research in both human and non-human animals reveals that individuals often attend to the foraging choices of their competitors while making their own foraging choices. Owing to the complications of gathering field data or constructing experiments, however, broad facts relating theoretically optimal and empirically realized foraging choices are only now emerging. Here, we analyse foraging choices of a cohort of professional day traders who must choose between trading the same stock multiple times in a row patch exploitation or switching to a different stock patch exploration with potentially higher returns. We measure the difference between a traders resource intake and the competitors expected intake within a short period of time a difference we call short-term comparative returns. We find that traders choices can be explained by foraging heuristics that maximize their daily short-term comparative returns. However, we find no one-best relationship between different trading choices and net income intake. This suggests that traders' choices can be short-term win oriented and, paradoxically, maybe maladaptive for absolute market returns.

Type

Article

Author(s)

Serguei Saavedra, R.Dean Malmgren, Nicholas Switanek, Brian Uzzi

Date Published

2013

Citations

Saavedra, Serguei, R.Dean Malmgren, Nicholas Switanek, and Brian Uzzi. 2013. Foraging Under Conditions of Short-term Exploitative Competition: The Case of Stock Traders. Proceedings of the British Royal Society B. 280: 1471-2954.

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