Research

Supervised learning for financial economics, sustainable equity investing and the impact of AI on organizations.

Working papers Published articles Books Practitioner press Book chapters Permanent working papers Presentations

Working papers

  1. Randomness in large language models: What researchers need to know (and report)

    with J. Llull, F. Oswald, C. Pérignon, C. Scheuch, L. Vilhuber SSRN

  2. Persistent anomalies and nonstandard Sharpe ratios

    with C. Pérignon SSRN

  3. Higher education in the era of Generative AI: Survival under quality-differentiation

    SSRN

  4. Posterior drift in equity premium forecasts

    with M. Laguerre arXiv

  5. Global p-values in multi-design studies

    with Y. Zhang, C. Pérignon, F. Chiaromonte and S. Guerrier arXiv

  6. Can corporate incentives deliver decarbonization?

    with B. Qiu

    Revise & resubmit, Journal of Corporate Finance

  7. An anatomy of decarbonizing firms

    with T. Giroux and B. Qiu

  8. Factor investing with reinforcement learning

    with E. André SSRN

  9. Characteristics-driven returns in equilibrium

    SSRN R notebook

  10. Interactions in Asset Pricing

    with G. Chevalier, M. Laguerre & T. Raffinot SSRN

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Published articles

  1. 2026

    Sustainability in commodity markets

    Journal of Banking & Finance Vol. 184, pp. 107599

    with B. Tavin and Y. Zhou Open access

    Winner of the cascad best reproduced paper award at the 2024 AFFI conference

  2. 2025

    The biodiversity premium

    Ecological Economics Vol. 228

    with T. Giroux & O.D. Zerbib Open access SSRN

  3. 2024

    Unexpected opportunities in misspecified predictive regressions

    European Journal of Operational Research Vol. 318, No. 2, pp. 686–700

    with R. Deguest Open access Material

  4. 2023

    ESG news spillovers across the value chain

    Financial Management Vol. 52, No. 4, pp. 677–710

    with V. Le Tran Working paper

  5. 2023

    Dynamic decision making with predictive panels

    Journal of the Operational Research Society Vol. 75, No. 6, pp. 1055–1075

    with B. Tavin Link Working paper R notebook

  6. 2022

    Scopes of carbon emissions and their impact on green portfolios

    Economic Modelling Vol. 115

    with T. Anquetin, B. Tavin & L. Welgryn Link Working paper

  7. 2022

    The determinants of health assessment in the United States: A supervised learning approach

    Healthcare Analytics Vol. 2

    Open access

  8. 2022

    Persistence in factor-based supervised learning models

    Journal of Finance & Data Science Vol. 8, pp. 12–34

    Open access Material

  9. 2020

    A note on implied correlation for bivariate contracts

    Economics Bulletin Vol. 40, No. 2, pp. 1388–1396

    with B. Tavin Link

  10. 2020

    Training trees on tails with applications to portfolio choice

    Annals of Operations Research Vol. 288, pp. 181–221

    with T. Guida Link Working paper Material

  11. 2019

    Procedural Rationality, Asset Heterogeneity and Market Selection

    Journal of Mathematical Economics Vol. 82, pp. 125–149

    with B. Tavin Link Working paper

  12. 2018

    Herding behavior among wine investors

    Economic Modelling Vol. 68, pp. 318–328

    with B. Aytac and C. Mandou Link

  13. 2017

    Empirical properties of a heterogeneous agent model in large dimensions

    Journal of Economic Dynamics & Control Vol. 77, pp. 180–201

    Link

  14. 2017

    Approximate NORTA simulations for virtual sample generation

    Expert Systems With Applications Vol. 73, pp. 69–81

    Link

  15. 2016

    An investigation of model risk in a market with jumps and stochastic volatility

    European Journal of Operational Research Vol. 253, pp. 648–658

    with B. Tavin Link Working paper

  16. 2016

    Characteristics-based portfolio choice with leverage constraints

    Journal of Banking and Finance Vol. 70, pp. 23–37

    with M. Ammann and J-P. Schade Link Working paper

  17. 2015

    On the distribution of the supremum of the spectrally negative stable process with drift

    Statistics & Probability Letters Vol. 107, pp. 333–340

    Link

  18. 2015

    Diversified minimum-variance portfolios

    Annals of Finance Vol. 11, No. 2, pp. 221–241

    Link

  19. 2015

    Optimal wine pricing for restaurants

    Journal of Wine Economics Vol. 10, No. 2, pp. 204–224

    Link

  20. 2014

    Second order risk aggregation with the Bernstein copula

    Insurance: Mathematics and Economics Vol. 58, pp. 150–158

    Link

  21. 2013

    Lookback option prices under a spectrally negative tempered-stable model

    International Journal of Theoretical and Applied Finance Vol. 16, No. 3

    Link

  22. 2013

    Meromorphic Levy-Khintchine exponents with poles of order two

    Communications on Stochastic Analysis Vol. 7, No. 2, pp. 179–198

    Link

  23. 2012

    Approximation of probabilistic Laplace transforms and their inverses

    Communications in Applied Mathematics and Computational Science Vol. 7, No. 2, pp. 231–246

    Link

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Books

Perspectives in sustainable equity investing

CRC / Chapman Hall, March 2022

Read the open source version
Early working paper

Order: Publisher, Amazon FR, Amazon US, Amazon UK

Machine learning for factor investing

With T. Guida. CRC / Chapman Hall. R version September 2020, Python version September 2023

Read the open source version
Material, Slides

Order the R version: Publisher, Amazon FR, Amazon US, Amazon UK

In the practitioner press

  1. 2025

    Cross-Asset Climate Betas

    Journal of Portfolio Management Vol. 51, No. 5, pp. 143–163

    with JC Bertrand, N. McLoughlin and S. Mesnard Link Working paper

  2. 2024

    The impact of climate change risk on long-term asset allocation

    Journal of Portfolio Management Vol. 50, No. 5, pp. 238–263

    with JC Bertrand, N. McLoughlin and S. Mesnard Link Working paper

  3. 2024

    International market exposure to sovereign ESG

    Journal of Sustainable Finance & Investment Vol. 14, No. 4, pp. 968–987

    with C. Morgenstern & J. Kelly Open access Working paper

  4. Interpretable supervised portfolios

    Journal of Financial Data Science Vol. 6, No. 2, pp. 10–34

    with G. Chevalier & T. Raffinot Link Working paper

  5. 2022

    Supervised portfolios

    Quantitative Finance Vol. 22, No. 12, pp. 2275–2295

    with G. Chevalier & T. Raffinot Link Working paper Notebook

  6. 2021

    Tuning trend following strategies with macro ESG data

    Journal of Impact & ESG Investing Vol. 2, No. 2, pp. 117–136

    with C. Morgenstern & J. Kelly Link

  7. 2020

    Stock-specific sentiment and return predictability

    Quantitative Finance Vol. 20, No. 9, pp. 1531–1551

    Link Working paper

  8. 2018

    Machine learning in systematic equity allocation: a model comparison

    Wilmott Magazine Vol. 2018, Issue 98, pp. 24–33

    with T. Guida Link

  9. 2017

    Equity portfolios with improved liability-hedging benefits

    Journal of Portfolio Management Vol. 43, No. 2 (Winter 2017), pp. 37–49

    with L. Martellini and V. Milhau Link

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Book chapters and review

  1. 2023

    Enhancing Environment-driven Portfolios with Traditional Factors

    Climate and Sustainable Investing edited by E. Jurczenko

    with J. Frey-Skött, C. Morgenstern, J. Kelly, B. Österberg, S. Stiernegrip

  2. 2020

    Book review: Machine Learning in Finance: From Theory to Practice (by Dixon, Halperin and Bilokon)

    Quantitative Finance

    Link

  3. 2018

    Ensemble learning applied to quant equity: gradient boosting in a multifactor framework

    Big Data and Machine Learning in Quantitative Investment edited by T. Guida

    with T. Guida

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Permanent working papers

  1. Forking paths in empirical studies

    SSRN R notebook (first study) R notebook (second study)

  2. 2021

    Boosting ESG-Based Optimization With Asset Pricing Characteristics

    with J. Frey-Skött, C. Morgenstern, J. Kelly, B. Österberg, S. Stiernegrip SSRN

  3. 2018

    Stock returns and the cross-section of characteristics: a tree-based approach

    with T. Guida PDF

  4. 2015

    Active allocation to smart factor indices

    Scientific Beta Research Paper

    with N. Amenc and L. Martellini PDF

  5. 2013

    Estimation of covariance matrices for portfolio optimization

    Scientific Beta Research Paper

    with V. Milhau PDF

  6. Equity portfolios with improved liability-hedging benefits (long version)

    with R. Deguest, L. Martellini and V. Milhau PDF

  7. 2013

    Risk aggregation with the generalized logistic distribution

    PDF

  8. 2012

    Pricing exotic options in the Finite Moment Log-Stable model

    PDF

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Research presentations

  1. 2022

    Explaining green returns

    PDF

  2. 2020

    Advances in asset pricing

    Slides (HTML)

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