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Valuing future cash flows with non separable discount factors and non additive subjective measures: conditional Choquet capacities on time and on uncertainty

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We consider future cash flows that are contingent both on dates in time and on uncertain states. The decision maker (DM) values the cash flows according to its decision criterion: Here, the payoffs’ expectation with respect to a capacity measure. The subjective measure grasps the DM’s behaviour in front of the future, in the spirit of de Finetti’s (1930) and of Yaari’s (1987) Dual Theory in the case of risk. Decomposition of the criterion into two criteria that represent the DM’s preferences on uncertain payoffs and time contingent payoffs are derived from Ghirardato’s (1997) results. Conditional Choquet integrals are defined by dynamic consistency (DC) requirements and conditional capacities are derived, under some conditions on information. In contrast with other models referring to DC, ours does not collapse into a linear one because it violates a weak version of consequentialism.

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Correspondence to Robert Kast.

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Kast, R., Lapied, A. Valuing future cash flows with non separable discount factors and non additive subjective measures: conditional Choquet capacities on time and on uncertainty. Theory Decis 69, 27–53 (2010). https://doi.org/10.1007/s11238-008-9107-1

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  • Capacities
  • Comonotonicity
  • Conditional Choquet integrals
  • Conditional capacities
  • Discount factors
  • Information
  • Product spaces
  • Subjective measures

JEL Classification

  • D 81
  • D 83
  • D 92
  • G 31