The Impartial Observer Theorem of Social Ethics


Economics and Philosophy

2001, vol. 17, pp.147-179

Departments: Economics & Decision Sciences, GREGHEC (CNRS)

I would like to dedicate this paper to the memory of Louis-Andre Gerard-Varet. His premature death in January 2001 deprived us all of a genuinely broad theoretical economist with deep foundational interests. He was one of the few to be conversant with the intricacies of the theory of subjective probability, and he himself co-authored a formal reconstruction of the Impartial Observer Theorem (d'Aspremont and Gerard-Varet, 1991). At the time of publishing this alternative reconstruction, I cannot refrain from remembering his exceptionally active intelligence, as well as the fruitful interchanges we had