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Related Experiment Videos

Digital cows grazing on digital grounds.

Thomas Pfeiffer1, Martin A Nowak

  • 1Program for Evolutionary Dynamics, Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, Massachusetts 02138, USA. pfeiffer@fas.harvard.edu

Current Biology : CB
|November 23, 2006
PubMed
Summary
This summary is machine-generated.

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Rational individuals acting in self-interest will deplete shared resources, like a common pasture. This tragedy of the commons occurs because the personal gain from adding one more animal outweighs the shared cost of overgrazing.

Area of Science:

  • Environmental Science
  • Economics
  • Game Theory

Background:

  • The concept of shared resources is fundamental to ecological and economic systems.
  • Individual rational decision-making can lead to collective suboptimal outcomes.

Purpose of the Study:

  • To explain the "tragedy of the commons" phenomenon.
  • To analyze the rational decision-making process in the context of shared resource exploitation.

Main Methods:

  • Conceptual analysis of individual utility maximization.
  • Examination of positive and negative components of utility for resource users.

Main Results:

  • Each rational herdsman finds it individually beneficial to add more animals to the shared pasture.

Related Experiment Videos

  • The cumulative effect of individual rational decisions leads to resource depletion.

    • Conclusions:

    • Unregulated access to common resources leads to their inevitable destruction.
    • Individual rationality does not guarantee collective well-being when resources are shared.