Decision making in the TBM: the necessity of the pignistic transformation

  • Authors:
  • Philippe Smets

  • Affiliations:
  • IRIDIA, Université Libre de Bruxelles, 50 av. Roosevelt, CP 194-6, 1050 Bruxelles, Belgium

  • Venue:
  • International Journal of Approximate Reasoning
  • Year:
  • 2005

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Abstract

In the transferable belief model (TBM), pignistic probabilities are used for decision making. The nature of the pignistic transformation is justified by a linearity requirement. We justify the origin of this requirement showing it is not ad hoc but unavoidable provides one accepts expected utility theory.