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Related Experiment Video

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An Efficient Single—Person Technique for Milk Sampling from Laboratory Mice
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Resolving the milk addiction paradox.

Davide Dragone1, Davide Raggi1

  • 1Università di Bologna, Department of Economics, Piazza Scaravilli 2, 40126 Bologna, Italy.

Journal of Health Economics
|April 12, 2021
PubMed
Summary
This summary is machine-generated.

The milk addiction paradox, where milk consumption fits rational addiction theory, is resolved using an AR(1) model. This approach accurately distinguishes rational addiction from simple persistence, offering better elasticity estimates.

Keywords:
Adjacent complementarityForward-looking behaviorMilk addictionRational addictionSpurious correlation

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Area of Science:

  • Behavioral Economics
  • Econometrics
  • Consumer Theory

Background:

  • The 'milk addiction paradox' describes how non-addictive goods like milk consumption align with rational addiction theory.
  • This paradox is more apparent with persistent consumption and aggregate data.

Purpose of the Study:

  • To demonstrate that the milk addiction paradox disappears with an AR(1) model specification.
  • To show the AR(1) model's superiority over the AR(2) model for testing rational addiction.

Main Methods:

  • Utilized both simulated and real-world data for analysis.
  • Employed an AR(1) linear specification, representing the rational addiction model's saddle-path solution.
  • Contrasted findings with the canonical AR(2) model.

Main Results:

  • The AR(1) model successfully resolves the milk addiction paradox observed with the AR(2) model.
  • The AR(1) specification accurately differentiates rational addiction from mere persistence.
  • Unbiased estimates for short and long-run demand elasticity were achieved.

Conclusions:

  • The AR(1) model is a more effective empirical tool for testing rational addiction than the AR(2) model.
  • Findings are robust across both individual and aggregate data.
  • The study reframes understanding of consumption persistence and addiction theory.