The self-organized criticality paradigm in economics & finance

JP Bouchaud - arXiv preprint arXiv:2407.10284, 2024 - arxiv.org
``Self-Organised Criticality''(SOC) is the mechanism by which complex systems
spontaneously settle close to a* critical point*, at the edge between stability and chaos, and …

Causes of fragile stock market stability

L Gardini, D Radi, N Schmitt, I Sushko… - Journal of Economic …, 2022 - Elsevier
We develop a behavioral stock market model in which a market maker adjusts stock prices
with respect to the orders of chartists, fundamentalists and sentiment traders. We analytically …

On boom-bust stock market dynamics, animal spirits, and the destabilizing nature of temporarily attracting virtual fixed points

L Gardini, D Radi, N Schmitt, I Sushko… - Macroeconomic …, 2025 - cambridge.org
We propose a stock market model with chartists, fundamentalists and market makers.
Chartists chase stock price trends, fundamentalists bet on mean reversion, and market …

Bet against the trend and cash in profits: An agent-based model of endogenous fluctuations of exchange rates

F Bassi, R Ramos, D Lang - Journal of Evolutionary Economics, 2023 - Springer
This paper intends to contribute to the literature on the determinants of exchange rate
fluctuations. We build an agent-based model inspired by the literature on behavioral finance …

Pricing equity-bond covariance risk: Between flight-to-quality and fear-of-missing-out

P Perras, N Wagner - Journal of Economic Dynamics and Control, 2020 - Elsevier
Abstract Motivated by Merton (1973), we propose a novel bivariate intertemporal asset
pricing model, which relates expected equity and bond market returns to their conditional …

Explaining the Stylized Facts of Foreign Exchange Markets with a Simple Agent-based Version of Paul de Grauwe's Chaotic Exchange Rate Model

S Mignot, F Westerhoff - Computational Economics, 2024 - Springer
We propose a simple agent-based version of Paul de Grauwe's chaotic exchange rate
model. In particular, we assume that each speculator follows his own technical and …

Analysis practice of exchange rate determinants: a case study of foreign exchange operators in trading rooms

AA Lamzouri - Qualitative Research in Financial Markets, 2024 - emerald.com
Purpose This paper aims to focus on exploring and understanding the practice of analyzing
the determinants of the Moroccan Dirham by foreign exchange professionals in trading …

Market Ecology: Trading Strategies and Market Volatility

K Xing, H Li - Computational Economics, 2024 - Springer
The value strategy and technical analysis strategy have existed in the financial market for a
long time, and the impact of these two types of strategies on the financial market has also …

An asset pricing model with accuracy-driven evolution of heterogeneous expectations

M Anufriev, T Tichý, F Lamantia, D Radi - Communications in Nonlinear …, 2023 - Elsevier
Starting from the work of Hommes et al.(2005a), we propose an alternative version of their
asset pricing model with heterogeneous agents and asynchronous updating of beliefs. In …

Market Structure and Instability Artifacts in Heterogeneous Agent Models: Lessons from Implicit Discretizations of Stiff Equations

MH Baumann, M Baumann, L Grüne, B Herz - Computational Economics, 2023 - Springer
We consider a standard heterogeneous agent model (HAM) that is widely used to analyze
price developments in financial markets. The model is linear in log-prices and, in its basic …