Smooth social choice

Topological Social Choice Topological Social Choice

The topological approach to social choice was developed by Graciela Chichilnisky in the beginning of the eighties. The main result in this area (known as the resolution of the topological social choice paradox) shows that a space of preferences admits of a continuous, anonymous, and unanimous aggregation rule for every number of individuals if and only if the space is contractible. Furthermore,...

Social Choice

Social Choice and Social Networks

Social Approval and Occupational Choice Social Approval and Occupational Choice

We examine the impact of a desire for social approval on education and occupation choice and model the endogenous determination of perceptions that influence such approval. In a two-sector overlapping generations framework, agents born with ability endowments in both occupations must choose one as their career. An agent’s choice is influenced by social approval, which depends upon the community...

Strategy-proof social choice

Many people have helped, directly and indirectly, to write this survey, and my co-authors in particular. Some colleagues and friends read it at some point and provided advise and criticism. They include Weymark. None of them is responsible for the …nal shape and contents of this piece, as I could only very partially take their comments into account. I received very valuable assistance from Conx...