David Bourget (Western Ontario)
David Chalmers (ANU, NYU)
Rafael De Clercq
Ezio Di Nucci
Jack Alan Reynolds
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British Journal for the Philosophy of Science 61 (3):569-597 (2010)
I apply some of the lessons from quantum theory, in particular from Bell’s theorem, to a debate on the foundations of decision theory and causation. By tracing a formal analogy between the basic assumptions of causal decision theory (CDT)—which was developed partly in response to Newcomb’s problem— and those of a local hidden variable theory in the context of quantum mechanics, I show that an agent who acts according to CDT and gives any nonzero credence to some possible causal interpretations underlying quantum phenomena should bet against quantum mechanics in some feasible game scenarios involving entangled systems, no matter what evidence they acquire. As a consequence, either the most accepted version of decision theory is wrong, or it provides a practical distinction, in terms of the prescribed behaviour of rational agents, between some metaphysical hypotheses regarding the causal structure underlying quantum mechanics.
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References found in this work BETA
David Lewis (1981). Causal Decision Theory. Australasian Journal of Philosophy 59 (1):5 – 30.
David Wallace (2006). Epistemology Quantized: Circumstances in Which We Should Come to Believe in the Everett Interpretation. British Journal for the Philosophy of Science 57 (4):655-689.
David Deutsch (1999). Quantum Theory of Probability and Decisions. Proceedings of the Royal Society of London:3129--37.
David Wallace (2007). Quantum Probability From Subjective Likelihood: Improving on Deutsch's Proof of the Probability Rule. Studies in History and Philosophy of Science Part B 38 (2):311-332.
Nancy Cartwright (1979). Causal Laws and Effective Strategies. Noûs 13 (4):419-437.
Citations of this work BETA
Arif Ahmed & Adam Caulton (2014). Causal Decision Theory and EPR Correlations. Synthese 191 (18):4315-4352.
Simon Friederich (2015). Re-Thinking Local Causality. Synthese 192 (1):221-240.
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