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Behavioral Economics

Merging Psychology and Economics for Lifestyle Interventions
  • Tryggvi Thorgeirsson
    Correspondence
    Address correspondence to: Tryggvi Thorgeirsson, MD, MPH, Department of Pediatrics, National University Hospital of Iceland, Hringbraut, 101 Reykjavik, Iceland
    Affiliations
    Department of Society, Human Development, and Health, Harvard School of Public Health, Boston, Massachusetts

    Department of Pediatrics, National University Hospital of Iceland, Reykjavik, Iceland
    Search for articles by this author
  • Ichiro Kawachi
    Affiliations
    Department of Society, Human Development, and Health, Harvard School of Public Health, Boston, Massachusetts
    Search for articles by this author

      Abstract

      The field of behavioral economics combines psychology and economics to investigate how individuals actually behave as opposed to how they would behave if they were being perfectly rational (as in the sense of maximizing their utility). Although initial applications focused on consumer behavior, such as explaining why people failed to save adequately for retirement, the field has moved increasingly into the area of explaining health behaviors as well as the design of lifestyle interventions, such as weight loss and smoking-cessation programs. This article provides an overview of several important behavioral economics concepts of relevance to public health and health behavior change.
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