A Bargaining-Theoretic Approach to Moral Uncertainty

Nick Bostrom and others have suggested treating decision-making under moral uncertainty as analogous to parliamentary decision-making. The core suggestion of this “parliamentary approach” is that the competing moral theories function like delegates to the parliament, and that these delegates then ma...

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Bibliographic Details
Authors: Greaves, Hilary (Author) ; Cotton-Barratt, Owen (Author)
Format: Electronic Article
Language:English
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Published: Brill 2024
In: Journal of moral philosophy
Year: 2024, Volume: 21, Issue: 1/2, Pages: 127-169
Further subjects:B bargaining theory
B maximise expected choiceworthiness
B moral uncertainty
B parliamentary model
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Summary:Nick Bostrom and others have suggested treating decision-making under moral uncertainty as analogous to parliamentary decision-making. The core suggestion of this “parliamentary approach” is that the competing moral theories function like delegates to the parliament, and that these delegates then make decisions by some combination of bargaining and voting. There seems some reason to hope that such an approach might avoid standard objections to existing approaches (for example, the “maximise expected choiceworthiness” (MEC) and “my favourite theory” approaches). However, the parliamentary approach is so far extremely underspecified, making it largely indeterminate how such a model will in fact behave in the respects that those concerned with moral uncertainty care about.
This paper explores one way of making it precise. We treat predicaments of moral uncertainty as analogous to bargaining situations alone (setting aside voting), and apply a version of the Nash solution that is standard in bargaining theory. The resulting model does indeed perform in many of the hoped-for ways. However, so also does a version of MEC that employs a structural approach to intertheoretic comparisons. It seems to us an open question which, regarding this version of MEC and the bargaining-theoretic approach, is superior to the other. We identify the key points on which the two differ.
ISSN:1745-5243
Contains:Enthalten in: Journal of moral philosophy
Persistent identifiers:DOI: 10.1163/17455243-20233810