Ola Mahmoud

Work in progress

  • The Overdiversification Bias

  • ​Green Investing: A Behavioral Perspective (with Lisa R. Goldberg)
  • Economic Model Theory (with Philipp Zahn)
  • A Behavioral Analysis of Diversification (with Enrico G. De Giorgi and Thomas Epper)

Publications and Preprints​​

  • How Elementary is Diversification? A Study of Children's Portfolio Choice (with Enrico G. De Giorgi). Preprint (2017).

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  • The Origin of Diversification: An Evolutionary Theory. Preprint (2017).

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  • Naive Diversification Preferences and their Representation (with Enrico G. De Giorgi). Preprint (2017).


  • On the Consistency of Choice. Theory and Decision​, Volume 83, Issue 4 (2017)

         [ssrn] [link]

  • The Temporal Dimension of RiskJournal of Risk, Volume 19, Issue 3 (2017).

            [ssrn] [link]

  • Drawdown: From Practice to Theory and Back Again (with Lisa R. Goldberg). Mathematics and Financial Economics, Volume 11, Number 3 (2017).

            [ssrn] [link]

  • Diversification Preferences in the Theory of Choice (​with Enrico G. De Giorgi). Decisions in Economics and Finance, Volume 39, Issue 2 (2016).

​​            [ssrn] [link]

  • Functorial Semantics of Second-Order Algebraic Theories (with Marcelo Fiore). Journal of Pure and Applied Algebra (2015).

  • Risk Without Return (with Lisa R. Goldberg). Journal of Investment Strategies, Volume 2, Issue 2 (2013).

            [ssrn] [link]

  • Minimizing Shortfall (with Lisa R. Goldberg and Michael Y. Hayes).​ Quantitative Finance, Volume 13, Issue 10 (2013).

            [ssrn] [link]

  • Second-Order Algebraic Theories (with Marcelo Fiore).​ Mathematical Foundations of Computer Science, Volume 6281 (2010).

            [arxiv] [link]

Book reviews

  • A Probability Metrics Approach to Financial Risk Measures by Svetlozar T. Rachev, Stoyan V. Stoyanov, and Frank J. Fabozzi.​ Journal of Risk and Insurance, Volume 83, Issue 2 (2016).


  • Discrete Time Series, Processes, and Applications in Finance by Gilles Zumbach. Quantitative Finance, Volume 14, Issue 12 (2014).



  • ​Second-Order Algebraic Theories. PhD Thesis, University of Cambridge (2011).


  • Proof Theory and Normalization of Arithmetic. Essay for the Part III of the Mathematical Tripos, University of Cambridge (2005).