no code implementations • 23 Apr 2024 • José Moran, Angelo Secchi, Jean-Philippe Bouchaud
As predicted by the model, the distribution of growth rate volatilities is to a good approximation {independent of firm size}, once rescaled by the average size-conditioned volatility.
no code implementations • 11 Apr 2024 • José Moran, Massimo Riccaboni
We review models of compositional growth, which were introduced to explain the growth statistics of various quantities ranging from firm sizes to GDP.
no code implementations • 20 Feb 2023 • Luca Mungo, José Moran
We study the correlation structure of firm growth rates.
1 code implementation • 9 Dec 2020 • Théo Dessertaine, José Moran, Michael Benzaquen, Jean-Philippe Bouchaud
We show that the time needed to reach equilibrium diverges to infinity as the system approaches an instability point beyond which the Hawkins-Simons condition is violated and competitive equilibrium is no longer admissible.