Unpacking the Black Box: Regulating Algorithmic Decisions

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Abstract/Contents

Abstract
We characterize optimal oversight of algorithms in a world where an agent designs a complex prediction function but a principal is limited in the amount of information she can learn about the prediction function. We show that limiting agents to prediction functions that are simple enough to be fully transparent is inefficient as long as the bias induced by misalignment between principal's and agent's preferences is small relative to the uncertainty about the true state of the world. Ex-post algorithmic audits can improve welfare, but the gains depend on the design of the audit tools. Tools that focus on minimizing overall information loss, the focus of many post-hoc explainer tools, will generally be inefficient since they focus on explaining the average behavior of the prediction function rather than sources of mis-prediction, which matter for welfare-relevant outcomes. Targeted tools that focus on the source of incentive misalignment, e.g., excess false positives or racial disparities, can provide first-best solutions. We provide empirical support for our theoretical findings using an application in consumer lending.

Description

Type of resource text
Date created August 25, 2021

Creators/Contributors

Author Blattner, Laura
Author Nelson, Scott
Author Speiss, Jan
Organizer of meeting Matvos, Gregor
Organizer of meeting Seru, Amit

Subjects

Subject economics
Genre Text
Genre Working paper
Genre Grey literature

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User agrees that, where applicable, content will not be used to identify or to otherwise infringe the privacy or confidentiality rights of individuals. Content distributed via the Stanford Digital Repository may be subject to additional license and use restrictions applied by the depositor.
License
This work is licensed under a Creative Commons Attribution 4.0 International license (CC BY).

Preferred citation

Preferred citation
Blattner, L., Nelson, S., and Speiss, J. (2022). Unpacking the Black Box: Regulating Algorithmic Decisions. Stanford Digital Repository. Available at https://purl.stanford.edu/ry909yd9970

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