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BEGIN:VEVENT
DTSTAMP:20260625T154710Z
DTSTART;TZID=Europe/London:20140325T131500
DTEND;TZID=Europe/London:20140325T144500
SUMMARY:Counterfactual Desirability
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TZID:Europe/London
LOCATION:London\, United Kingdom
DESCRIPTION:Tues 25 Mar\, 5.15pm\nRoom 243\, second floor\, Senate House\, WC1<br> Orri Stefansson (LSE)<br> Counterfactual Desirability<br> Abstract: What could have been often impacts the desirability of what actually occurs. Such dependencies between actual and counterfactual outcomes create well-known problems for orthodox decision theory\, the best-known perhaps being the so-called Allais paradox. This paper deals with these problems by extending the domain of Richard Jeffrey's desirability measure to counterfactual prospects. The extension is based on Richard Bradley's recent multidimensional possible world semantics for conditionals\, and the resulting framework allows us to represent as maximising desirability certain preferences that have troubled decision theorists for decades. We then show what axioms need to be added to the framework to obtain a standard expected utility representation. Due to the logical richness of the multidimensional framework\, we can obtain such a representation without some of the more controversial assumptions of Leonard Savage's theory. (Based on joint work with Richard Bradley).<br> <br> Full Series 2013/14:
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