Weight of Evidence


Sören Halldén

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Keywords: Expected Utility, Robustness, Secondary probability, Evidential weight.


Abstract
: In a paper concerning the principle of expected utility, Gärdenfors makes use of the Keynesian idea of "weight of evidence". Tentatively he suggests that this can be interpreted as the probability of probability. This kind of explanation is rejected by Leonard Savage. The present paper contains a defence of the Gärdenfors approach, and an extension of the basic idea.


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Sören Halldén
Danska vägen 14
S 226 39 Lund, Sweden.


Spinning Ideas, Electronic Essays
Dedicated to Peter Gärdenfors on His Fiftieth Birthday