Evolution in pecunia

Rabah Amir (), Igor Evstigneev, Thorsten Hens, Valeriya Potapova and Klaus Schenk-Hoppé
Additional contact information
Igor Evstigneev: University of Manchester [Manchester], Institute for Information Transmission Problems, Russian Academy of Sciences
Thorsten Hens: UZH - Universität Zürich [Zürich] = University of Zurich, Norwegian School of Economics and Business Administration - Norwegian School of Economics and Business Administration, Lucerne University of Applied Sciences and Arts [Luzern]
Valeriya Potapova: University of Manchester [Manchester]

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Abstract: The paper models evolution in pecunia—in the realm of finance. Financial markets are explored as evolving biological systems. Diverse investment strategies compete for the market capital invested in long-lived dividend-paying assets. Some strategies survive and some become extinct. The basis of our paper is that dividends are not exogenous but increase with the wealth invested in an asset, as is the case in a production economy. This might create a positive feedback loop in which more investment in some asset leads to higher dividends which in turn lead to higher investments. Nevertheless, we are able to identify a unique evolutionary stable investment strategy. The problem is studied in a framework combining stochastic dynamics and evolutionary game theory. The model proposed employs only objectively observable market data, in contrast with traditional settings relying upon unobservable investors' characteristics (utilities and beliefs). Our method is analytical and based on mathematical reasoning. A numerical illustration of the main result is provided.

Keywords: evolutionary finance; evolutionarily stable investment strategies; survival; stochastic dynamics; local stability (search for similar items in EconPapers)
Date: 2021-06-25
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Published in Proceedings of the National Academy of Sciences of the United States of America, 2021, 118 (26), pp.e2016514118. ⟨10.1073/pnas.2016514118⟩

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Journal Article: Evolution in pecunia (2021)
Working Paper: Evolution in Pecunia (2020)
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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-03589215

DOI: 10.1073/pnas.2016514118

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