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- W4299440994 abstract "The productivity of a common pool of resources may degrade when overly exploited by a number of selfish investors, a situation known as the tragedy of the commons (TOC). Without regulations, agents optimize the size of their individual investments into the commons by balancing incurring costs with the returns received. The resulting Nash equilibrium involves a self-consistency loop between individual investment decisions and the state of the commons. As a consequence, several non-trivial properties emerge. For $N$ investing actors we prove rigorously that typical payoffs do not scale as $1/N$, the expected result for cooperating agents, but as $(1/N)^2$. Payoffs are hence reduced with regard to the functional dependence on $N$, a situation denoted catastrophic poverty. We show that catastrophic poverty results from a fine-tuned balance between returns and costs. Additionally, a finite number of oligarchs may be present. Oligarchs are characterized by payoffs that are finite and not decreasing when $N$ increases. Our results hold for generic classes of models, including convex and moderately concave cost functions. For strongly concave cost functions the Nash equilibrium undergoes a collective reorganization, being characterized instead by entry barriers and sudden death forced market exits." @default.
- W4299440994 created "2022-10-02" @default.
- W4299440994 creator A5041243848 @default.
- W4299440994 date "2022-08-17" @default.
- W4299440994 modified "2023-09-25" @default.
- W4299440994 title "Generic catastrophic poverty when selfish investors exploit a degradable common resource" @default.
- W4299440994 doi "https://doi.org/10.48550/arxiv.2208.08171" @default.
- W4299440994 hasPublicationYear "2022" @default.
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