Ola Mahmoud

​​Work in progress

  • Investor Preferences for Sustainability: Theory and Evidence 

  • ​Behavioral Time Preferences and Sustainable Investing 
  • The Virtuous Investor: Altruism and Sustainability
  • A Behavioral Analysis of Diversification

Publications and Preprints​​

  • Investor Psychology and Sustainable Finance

          Working paper (2019) [ssrn]

  • The Willingness to Pay for Diversification

​            European Economic Review (R&R, 2019) [ssrn]

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

​​           Under review (2019)​ [ssrn]

  • The Origin of Diversification: An Evolutionary Theory 

            Under review (2019)  [ssrn]

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

            Journal of Economic Theory  (forthcoming, 2019) [ssrn

  • On the Consistency of Choice 

           Theory and Decision​, Volume 83, Issue 4 (2017)

         [ssrn] [link]

  • The Temporal Dimension of Risk 
  • Journal 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]

  • Minimizing Shortfall (with Lisa R. Goldberg and Michael Y. Hayes)​

            Quantitative Finance, Volume 13, Issue 10 (2013)

            [ssrn] [link]

  • Risk Without Return (with Lisa R. Goldberg) 

            Journal of Investment Strategies, Volume 2, Issue 2 (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).