Market instability and the size-variance relationship

Abstract We show that some key features of the behavior of mutual funds is accounted for by a stochastic model of proportional growth. We find that the negative dependence of the variance of funds’ growth rates on size is well described by an approximate power law. We discover that during periods of...

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Bibliographic Details
Main Authors: Sergey V. Buldyrev, Andrea Flori, Fabio Pammolli
Format: Article
Language:English
Published: Nature Publishing Group 2021-03-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-021-84680-1