A credibilistic mean-semivariance-PER portfolio selection model for Latin America

F Garcia, J González-Bueno, J Oliver… - Journal of Business …, 2019 - jau.vgtu.lt
Many real-world problems in the financial sector have to consider different objectives which
are conflicting, for example portfolio selection. Markowitz proposed an approach to …

Market impact and performance of arbitrageurs of financial bubbles in an agent-based model

R Westphal, D Sornette - Journal of Economic Behavior & Organization, 2020 - Elsevier
We analyse the consequences of predicting and exploiting financial bubbles in an agent-
based model, with a risky and a risk-free asset and three different trader types …

Cultural diversity and wisdom of crowds are mutually beneficial and evolutionarily stable

B De Courson, L Fitouchi, JP Bouchaud… - Scientific Reports, 2021 - nature.com
The ability to learn from others (social learning) is often deemed a cause of human species
success. But if social learning is indeed more efficient (whether less costly or more accurate) …

Heterogeneous speculators and stock market dynamics: a simple agent-based computational model

N Schmitt, I Schwartz, F Westerhoff - The European Journal of …, 2022 - Taylor & Francis
We propose a simple agent-based computational model in which speculators' trading
behavior may cause bubbles and crashes, excess volatility, serially uncorrelated returns, fat …

Bandwidth selection for kernel density estimation of fat-tailed and skewed distributions

DJ Henderson, A Papadopoulos… - Journal of Statistical …, 2023 - Taylor & Francis
Applied researchers using kernel density estimation have worked with optimal bandwidth
rules that invariably assumed that the reference density is Normal (optimal only if the true …

Co-existence of trend and value in financial markets: Estimating an extended Chiarella model

AA Majewski, S Ciliberti, JP Bouchaud - Journal of Economic Dynamics …, 2020 - Elsevier
Trend and Value are pervasive anomalies, common to all financial markets. We address the
problem of their co-existence and interaction within the framework of Heterogeneous Agent …

A financial market model with two discontinuities: Bifurcation structures in the chaotic domain

A Panchuk, I Sushko, F Westerhoff - Chaos: An Interdisciplinary Journal …, 2018 - pubs.aip.org
We continue the investigation of a one-dimensional piecewise linear map with two
discontinuity points. Such a map may arise from a simple asset-pricing model with …

Trend followers, contrarians and fundamentalists: Explaining the dynamics of financial markets

N Schmitt, F Westerhoff - Journal of Economic Behavior & Organization, 2021 - Elsevier
We propose an empirically motivated financial market model in which speculators rely on
trend-following, contrarian and fundamental trading rules to determine their orders …

Stochastic sensitivity of bull and bear states

J Jungeilges, E Maklakova, T Perevalova - Journal of Economic …, 2021 - Springer
We study the price dynamics generated by a stochastic version of a Day–Huang type asset
market model with heterogenous, interacting market participants. To facilitate the analysis …

Risk-Neutral Generative Networks

Z Xian, X Yan, CH Leung, Q Wu - arXiv preprint arXiv:2405.17770, 2024 - arxiv.org
We present a functional generative approach to extract risk-neutral densities from market
prices of options. Specifically, we model the log-returns on the time-to-maturity continuum as …