Spiliopoulos, Leonidas

Associate Research Scientist



Yale University (Bachelor of Arts - BA cum laude, Economics)

Athens University of Economics and Business (Master of Science - MS, International and European Economic Studies)

University of Sydney (Doctor of Philosophy - PhD, Economics, Walter Noel Gillies Prize for best PhD thesis in Economics)

        Prior Experience

        (Returning) Humboldt Experienced Research Fellow (Max Planck Institute for Human Development, 2022)

        Research Fellow (Max Planck Institute for Human Development, 2016-2019)

        Humboldt Experienced Research Fellow (Max Planck Institute for Human Development, Jan 2014 - Dec 2015)

        Vice-Chancellor’s Postdoctoral Research Fellow (UNSW, Jan 2011 - Dec 2013)

        E Research Fellow (The Hong Kong University of Science and Technology, Sep 2009 - Mar 2010)

        Visiting scholar (University of Sydney, 2009)

        Visiting lecturer (National and Kapodistrian University of Athens, 2008-2009)


        Ortmann, A. & Spiliopoulos, L. (2023). Ecological rationality and economics: where the Twain shall meet. Synthese201(4), 135. https://doi.org/10.1007/s11229-023-04136-z

        Spiliopoulos, L. & Hertwig, R. (2023) Variance, Skewness and Multiple Outcomes in Described and Experienced Prospects: Can One Descriptive Model Capture It All? Journal of Experimental Psychology: General152(4), 1188–1222https://doi.org/10.1037/xge0001323

        Rapoport, A., Seale, D. A., & Spiliopoulos, L. (2023). Progressive stopping heuristics that excel in individual and competitive sequential search. Theory and Decision94(1), 135-165https://doi.org/10.1007/s11238-022-09881-0

        Spiliopoulos, L. (2022). On the effectiveness of COVID-19 restrictions and lockdowns: Pan metron ariston. BMC Public Health22(1), 1842. https://doi.org/10.1186/s12889-022-14177-7

        Hertwig, R., Leuker C., Pachur T., Spiliopoulos L., & Pleskac, T. J. (2022), Studies in Ecological Rationality. Topics in Cognitive Science14(3), 467-491. https://doi.org/10.1111/tops.12567

        Spiliopoulos, L. & Hertwig, R. (2020), A map of ecologically rational heuristics for uncertain strategic worlds. Psychological Review 127, 245–280. https://doi.org/10.1037/rev0000171

        Spiliopoulos, L. & Hertwig, R. (2019), Nonlinear decision weights or moment-based preferences? A model competition involving described and experienced skewness. Cognition 183, 99–123. https://doi.org/10.1016/j.cognition.2018.10.023

        Spiliopoulos, L. & Hertwig, R. (2019), Strategic Uncertainty and Incomplete Information: The Homo Heuristicus Does Not Fold. Taming Uncertainty (MIT Press).

        Spiliopoulos, L.  (2018), The determinants of response time in a repeated constant-sum game: A robust Bayesian hierarchical dual-process model. Cognition 172, 107–123. https://doi.org/10.1016/j.cognition.2017.11.006

        Spiliopoulos, L. (2018), Randomization and serial dependence in professional tennis matches: Do strategic considerations, player rankings and match characteristics matter? Judgment and Decision Making 13, 413–427. http://journal.sjdm.org/18/18709a/jdm18709a.pdf 

        Spiliopoulos, L., Ortmann, A. & Zhang, L. (2018), Complexity, attention, and choice in games under time constraints: A process analysis. Journal of Experimental Psychology: Learning, Memory and Cognition 44, 1609–1640. https://doi.org/10.1037/xlm0000535 

        Spiliopoulos, L. & Ortmann, A. (2018), The BCD of response time analysis in experimental economics. Experimental Economics 21, 383–433. https://doi.org/10.1007/s10683-017-9528-1 

        Ortmann, A. & Spiliopoulos, L. (2017), The Beauty of Simplicity? (Simple) Heuristics and the Opportunities Yet to be Realized. in (ed. Altman, M.) (Edward Elgar).

        O’Callaghan, C., Bertoux, M., Irish, M., Shine, J. M., Wong, S., Spiliopoulos, L., Hodges, J. R. & Hornberger, M. (2016). Fair play: social norm compliance failures in behavioural variant frontotemporal dementia. Brain139(1), 204–216. https://doi.org/10.1093/brain/awv315

        Spiliopoulos, L. (2015), Transfer of conflict and cooperation from experienced games to new games: A connectionist model of learning. Frontiers in Neuroscience 9, 1–18. https://doi.org/10.3389/fnins.2015.00102 

        Spiliopoulos, L. & Ortmann, A. (2014), Model Comparisons Using Tournaments: Likes, “Dislikes,” and Challenges. Psychological Methods 19, 230–250. https://doi.org/10.1037/a0034249 

        Spiliopoulos, L. (2013), Beyond fictitious play beliefs: Incorporating pattern recognition and similarity matching. Games and Economic Behavior 81, 69–85. https://doi.org/10.1016/j.geb.2013.04.005 

        Spiliopoulos, L. (2012), Pattern recognition and subjective belief learning in a repeated constant-sum game. Games and Economic Behavior 75, 921–935. https://doi.org/10.1016/j.geb.2012.01.005 

        Spiliopoulos, L. (2013), Strategic adaptation of humans playing computer algorithms in a repeated constant-sum game. Autonomous Agents and Multi-Agent Systems 27, 131–160. https://doi.org/10.1007/s10458-012-9203-z 

        Spiliopoulos, L. (2012), Interactive learning in 2x2 normal form games by neural network agents. Physica A: Statistical Mechanics and its Applications 391, 5557–5562. https://doi:10.1016/j.physa.2012.06.017 

        Spiliopoulos, L. (2011), Learning Backward Induction: A Neural Network Agent Approach, in Agent-Based Approaches in Economic and Social Complex Systems VI, Post-Proceedings of The AESCS International Workshop 2009 (eds. Chen, S.-H., Terano, Takao & Yamamoto, R.), 61–73. https://doi.org/10.1007/978-4-431-53907-0_5  

        Spiliopoulos, L. (2011), Neural networks as a unifying learning model for random normal form games. Adaptive Behavior 19, 383–408. https://doi.org/10.1177/1059712311417636 

        Spiliopoulos, L. (2008) Essays on behavioral game theory: A multidisciplinary approach to learning.

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