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Obesity, Sedentary Behavior and Lifestyle: A Lifecycle Model of Eating and Physical Activity

Author

Listed:
  • Davide Dragone
  • Gustav Feichtinger
  • Dieter Grass
  • Richard F. Hartl
  • Peter M. Kort
  • Andrea Seidl
  • Stefan Wrzaczek

Abstract

We propose a theoretical model to study individual lifestyle choices related to calorie intake and physical activity, depending on personal fitness level and body weight. The model builds on the rational eating literature and can generate a variety of behaviors that are consistent with the empirical evidence. In particular, we show that engaging in periods of a sedentary lifestyle can be a rational, utility-maximizing decision—a finding that is not present in the existing literature but is empirically widespread. Additionally, we show the possible existence of multiple equilibria and multiple indifferent lifestyles. The former justifies policy interventions to help individuals exit a self-reinforcing, but unhealthy equilibrium; the latter provides a theoretical basis for remediation plans that compensate for earlier unhealthy behaviors.

Suggested Citation

  • Davide Dragone & Gustav Feichtinger & Dieter Grass & Richard F. Hartl & Peter M. Kort & Andrea Seidl & Stefan Wrzaczek, 2025. "Obesity, Sedentary Behavior and Lifestyle: A Lifecycle Model of Eating and Physical Activity," Working Papers wp1200, Dipartimento Scienze Economiche, Universita' di Bologna.
    • Handle: RePEc:bol:bodewp:wp1200
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    More about this item

    JEL classification:

    • I10 - Health, Education, and Welfare - - Health - - - General
    • D91 - Microeconomics - - Micro-Based Behavioral Economics - - - Role and Effects of Psychological, Emotional, Social, and Cognitive Factors on Decision Making

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