Algorithmic Fairness in Performative Policy Learning: Escaping the Impossibility of Group Fairness

Fuente: arXiv
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Autores principales: Somerstep, Seamus, Ritov, Ya'acov, Sun, Yuekai
Formato: Preprint
Publicado: 2024
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author Somerstep, Seamus
Ritov, Ya'acov
Sun, Yuekai
author_facet Somerstep, Seamus
Ritov, Ya'acov
Sun, Yuekai
contents In many prediction problems, the predictive model affects the distribution of the prediction target. This phenomenon is known as performativity and is often caused by the behavior of individuals with vested interests in the outcome of the predictive model. Although performativity is generally problematic because it manifests as distribution shifts, we develop algorithmic fairness practices that leverage performativity to achieve stronger group fairness guarantees in social classification problems (compared to what is achievable in non-performative settings). In particular, we leverage the policymaker's ability to steer the population to remedy inequities in the long term. A crucial benefit of this approach is that it is possible to resolve the incompatibilities between conflicting group fairness definitions.
format Preprint
id arxiv_https___arxiv_org_abs_2405_20447
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Algorithmic Fairness in Performative Policy Learning: Escaping the Impossibility of Group Fairness
Somerstep, Seamus
Ritov, Ya'acov
Sun, Yuekai
Machine Learning
Computers and Society
In many prediction problems, the predictive model affects the distribution of the prediction target. This phenomenon is known as performativity and is often caused by the behavior of individuals with vested interests in the outcome of the predictive model. Although performativity is generally problematic because it manifests as distribution shifts, we develop algorithmic fairness practices that leverage performativity to achieve stronger group fairness guarantees in social classification problems (compared to what is achievable in non-performative settings). In particular, we leverage the policymaker's ability to steer the population to remedy inequities in the long term. A crucial benefit of this approach is that it is possible to resolve the incompatibilities between conflicting group fairness definitions.
title Algorithmic Fairness in Performative Policy Learning: Escaping the Impossibility of Group Fairness
topic Machine Learning
Computers and Society
url https://arxiv.org/abs/2405.20447