Here are some video recordings of recent presentations.

Academic presentations

• Universal recursive preference structures (at the 7th International Workshop on Applied Category Theory, Oxford, June 2024; Presentation slides).

• Global subjective expected utility representations (at the 7th International Workshop on Applied Category Theory, Oxford, June 2024; Presentation slides).

• Categorical decision theory (at the Fields Institute Workshop on the Applications of Topology to Quantum Theory and Behavioral Economics, 24 March 2023).

• Population ethics in an infinite universe (Online Social Choice Seminar, 11 August 2020; Presentation slides)

• Bayesian social aggregation with accumulating evidence. 

  • COMSOC video seminar, 10 September 2020  (Presentation slides)

  • D-TEA conference, 2 July, 2021 (25 minute presentation, begins at 28:15)

• New directions in belief aggregation (Sorbonne Seminar in Formal and Social Epistemology, 13 January 2021; Presentation slides)

• Weighted representative democracy (presentation in the Theory, Organisation and Markets seminar at the Paris School of Economics, 10 December 2021.  Presentation starts at 00:01:45).

Expository talks

•  What is normative economics? (Guest Lecture at  CY Advanced Studies, 12 October  2021). (Presentation slides) .....  [YouTube video] (poor audio quality).

• Belief aggregation and epistemic democracy (7 September 2024, online presentation at the Summer School on Social Choice and Fair Division at the University of Tehran; Presentation slides).

Public lectures

• • Democracy is complicated (Congreso Futuro, Santiago de Chile, 16 January 2020; English slides;  Diapositivas en español)