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The Genetics of Risk Aversion: A Systematic Review

Author

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  • Francisco Molins

    (Department of Psychobiology, Universitat de València, Av. Blasco Ibáñez, 13, 46010 Valencia, Spain)

  • Fatmanur Sahin

    (Department of Psychobiology, Universitat de València, Av. Blasco Ibáñez, 13, 46010 Valencia, Spain)

  • Miguel Ángel Serrano

    (Department of Psychobiology, Universitat de València, Av. Blasco Ibáñez, 13, 46010 Valencia, Spain)

Abstract

Risk and loss aversion are phenomena with an important influence on decision-making, especially in economic contexts. At present, it remains unclear whether both are related, as well as whether they could have an emotional origin. The objective of this review, following the PRISMA statements, is to find consistencies in the genetic bases of risk and loss aversion with the aim of understanding their nature and shedding light on the above issues. A total of 23 empirical research met the inclusion criteria and were included from PubMed and ScienceDirect. All of them reported genetic measures from human samples and studied risk and loss aversion within an economic framework. The results for risk aversion, although with many limitations, attributed mainly to their heterogeneity and the lack of control in the studies, point to the implication of multiple polymorphisms related to the regulation of the serotonergic and dopaminergic pathways. In general, studies found the highest levels of risk aversion were associated with alleles that are linked to lower (higher) sensitivity or levels of dopamine (serotonin). For loss aversion, the scarcity of results prevents us from drawing clear conclusions, although the limited evidence seems to point in the same direction as for risk aversion. Therefore, it seems that risk aversion could have a stable genetical base which, in turn, is closely linked to emotions, but more research is needed to answer whether this phenomenon is related to loss aversion, as well as if the latter could also have an emotional origin. We also provide recommendations for future studies on genetics and economic behavior.

Suggested Citation

  • Francisco Molins & Fatmanur Sahin & Miguel Ángel Serrano, 2022. "The Genetics of Risk Aversion: A Systematic Review," IJERPH, MDPI, vol. 19(21), pages 1-22, November.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:21:p:14307-:d:960631
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    References listed on IDEAS

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    1. Navarro Alfredo M., 2023. "Genetics and Economics," Asociación Argentina de Economía Política: Working Papers 4677, Asociación Argentina de Economía Política.

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