Final Topology for Preference Spaces

Fuente: arXiv
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Autor principal: Schenone, Pablo
Formato: Preprint
Publicado: 2020
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author Schenone, Pablo
author_facet Schenone, Pablo
contents We say a model is continuous in utilities (resp., preferences) if small perturbations of utility functions (resp., preferences) generate small changes in the model's outputs. While similar, these two questions are different. They are only equivalent when the following two sets are isomorphic: the set of continuous mappings from preferences to the model's outputs, and the set of continuous mappings from utilities to the model's outputs. In this paper, we study the topology for preference spaces defined by such an isomorphism. This study is practically significant, as continuity analysis is predominantly conducted through utility functions, rather than the underlying preference space. Our findings enable researchers to infer continuity in utility as indicative of continuity in underlying preferences.
format Preprint
id arxiv_https___arxiv_org_abs_2004_02357
institution arXiv
publishDate 2020
record_format arxiv
spellingShingle Final Topology for Preference Spaces
Schenone, Pablo
Theoretical Economics
We say a model is continuous in utilities (resp., preferences) if small perturbations of utility functions (resp., preferences) generate small changes in the model's outputs. While similar, these two questions are different. They are only equivalent when the following two sets are isomorphic: the set of continuous mappings from preferences to the model's outputs, and the set of continuous mappings from utilities to the model's outputs. In this paper, we study the topology for preference spaces defined by such an isomorphism. This study is practically significant, as continuity analysis is predominantly conducted through utility functions, rather than the underlying preference space. Our findings enable researchers to infer continuity in utility as indicative of continuity in underlying preferences.
title Final Topology for Preference Spaces
topic Theoretical Economics
url https://arxiv.org/abs/2004.02357