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1960
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Jacques H. Drèze, « Les probabilités subjectives ont-elles une signification objective ? », Économie appliquée (documents), ID : 10.3406/ecoap.1960.3882
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The author argues that il is possible to attach objective significance to subjective probabilities, concerning events that can be influenced by the person concerned (such as their death in a road accident or their presence at the Opera this evening), but not to subjective probabilities concerning fortuitous events (such as getting a pair when throwing dice). This is considered-to provide an enrichment of the theory of probability (since it extends its application to a field formerly closed to it), and a simultaneous impo¬ verishment in that the theory is argued to be inapplicable within the field in relation to which it was first developed.