A generalized representation theorem for Harsanyi's ('impartial') observer

• Main Authors: GRANT, Simon, KAJII, Atsushi, POLAK, Ben, SAFRA, Zvi
• Format: text
• Language: English
• Published: Institutional Knowledge at Singapore Management University 2012
• Subjects: Economic Theory
• Online Access: https://ink.library.smu.edu.sg/soe_research/1852; https://ink.library.smu.edu.sg/context/soe_research/article/2851/viewcontent/GeenralizedRepTheoremHarsanyi_2012.pdf
• Institution: Singapore Management University

We provide an axiomatization of an additively separable social welfare function in the context of Harsanyi's impartial observer theorem. To do this, we reformulate Harsanyi's setting to make the lotteries over the identities the observer may assume independent of the social alternative.