David Bourget (Western Ontario)
David Chalmers (ANU, NYU)
Rafael De Clercq
Jack Alan Reynolds
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Synthese (14):1-33 (2011)
This article proposes a new theory of rational decision, distinct from both causal decision theory (CDT) and evidential decision theory (EDT). First, some intuitive counterexamples to CDT and EDT are presented. Then the motivation for the new theory is given: the correct theory of rational decision will resemble CDT in that it will not be sensitive to any comparisons of absolute levels of value across different states of nature, but only to comparisons of the differences in value between the available options within states of nature; however, the correct theory will also resemble EDT in that it will rely on conditional probabilities (not unconditional probabilities). The new theory gives a prominent role to the notion of a “benchmark” for each state of nature, by comparison with which the value of the available options in that state of nature are measured, and so it has been called the Benchmark Theory (BT). It is argued that BT gives the right verdict on the cases that seem to be counterexamples to CDT and EDT. Finally, some objections to BT are considered and answered.
|Keywords||Rational choice Causal decision theory Evidential decision theory Probability Incommensurability|
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References found in this work BETA
Frank Arntzenius (2008). No Regrets, Or: Edith Piaf Revamps Decision Theory. [REVIEW] Erkenntnis 68 (2):277-297.
Ken Binmore (2011). Rational Decisions. Princeton University Press.
Rachael Briggs (2010). Decision-Theoretic Paradoxes as Voting Paradoxes. Philosophical Review 119 (1):1-30.
John Broome (1997). Is Incommensurability Vaguness? In Ruth Chang (ed.), Incommensurability, Incomparability and Practical Reason. Harvard University Press.
Ellery Eells (1989). The Popcorn Problem: Sobel on Evidential Decision Theory and Deliberation-Probability Dynamics. Synthese 81 (1):9 - 20.
Citations of this work BETA
Ralph Wedgwood (2012). Outright Belief. Dialectica 66 (3):309–329.
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