Eliciting Subjective Survival Curves: Lessons from Partial Identification

Luc Bissonnette and J. de Bresser

Cahiers de recherche from Chaire de recherche Industrielle Alliance sur les enjeux économiques des changements démographiques

Abstract: When analyzing subjective expectations, researchers commonly apply (non-)parametric approximations to point identify beliefs. We propose a new take on this type of data that does not impose a functional form on expectations. Using the widely researched example of subjective survival expectations, we construct bounds for subjective sur- vival curves. These bounds allow us to partially identify subjective life expectancy. We show that the informativeness of the bounds depends on our willingness to interpolate beliefs between data points. If we do not smooth between the elicited points on the survival functions, the bounds are too wide for useful inference. However, if we do interpolate and allow for a limited amount of rounding, the resulting bounds are nar- row enough to show variation in life expectancy with age and self-reported health, the strongest predictors in point identi ed models. Finally, we match the subjective data to life tables. While analysis that point identi es life expectancy, either parametri- cally or non-parametrically, rejects consistency of expectations with actuarial forecasts for women, the bounds show that allowing for rounding renders the subjective data consistent with forecasts on average.

Keywords: Subjective expectations; life expectancy; partial identification (search for similar items in EconPapers)
JEL-codes: C81 D84 I19 (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (3)

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Journal Article: Eliciting Subjective Survival Curves: Lessons from Partial Identification (2018)
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