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Individual Uncertainty About Longevity.

Brigitte Dormont1, Anne-Laure Samson2, Marc Fleurbaey3

  • 1Université Paris-Dauphine, PSL University, LEDa, Place du Maréchal de Lattre de Tassigny, 75775, Paris Cedex 16, France.

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Summary
This summary is machine-generated.

Individuals possess significant uncertainty about their own longevity, impacting health behaviors. This subjective uncertainty about longevity influences lifestyle choices, promoting healthier habits.

Keywords:
LongevityPrevention decisionsRetirement decisionsSubjective expectationsUncertainty

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Area of Science:

  • Economics
  • Demography
  • Health Economics

Background:

  • Understanding individual perceptions of longevity is crucial for public policy.
  • Subjective life expectancies (SLE) and subjective uncertainty regarding longevity (SUL) are key metrics.

Purpose of the Study:

  • To assess individual uncertainty about longevity using survey data.
  • To analyze factors influencing this uncertainty and its impact on behavior.

Main Methods:

  • Survey of 3,331 French individuals recording subjective survival probabilities.
  • Econometric analysis to model uncertainty and its determinants.
  • Calculation of SLE and SUL for each participant.

Main Results:

  • Subjective uncertainty regarding longevity (SUL) averages over 10 years for both men and women.
  • Older individuals utilize private information (e.g., parental longevity) to refine their SUL.
  • Increased SUL is significantly associated with a reduced probability of unhealthy lifestyles.

Conclusions:

  • Individual uncertainty about longevity is substantial and influences health-related behaviors.
  • Findings have implications for public policy in healthcare, retirement planning, and long-term care insurance.
  • Subjective longevity perceptions play a role in risk-taking and preventative actions.