The Tragedy of the Commons

The Tragedy of the Commons - Positive= +~1 for each animal...

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The Tragedy of the  Commons Garett Hardin 
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Why Do We Care? We can’t maximize  both population  and the amount of  goods used by  each person Optimum  Population = less  than the max
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Rational Choice Assumptions: People are logical They weigh the costs and benefits of  their actions before they make a decision The choice which maximizes their gain  the most is the one that they will choose
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What are “Commons?” Commons are shared resources Examples Water- lakes, rivers, irrigation canals Land- grazing land Air Food Animals
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The Tragedy of the Commons Simply put, utility is a measure of relative  satisfaction Utility for each herdsman =
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Unformatted text preview: Positive= +~1 for each animal Negative= - fraction of 1 from overgrazing Pollution = Reverse Tragedy Utility for each Polluter Negative= - a fraction of 1 Positive= +~1 So we foul our own nest How does population come into this? The morality of an act is a function of the state of the system at the time it is performed. The tragedy of the commons conclusions As population rises, because people are self-maximizing: Commons = Destruction Private Property or Centralized Government Regulations = Necessary...
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This note was uploaded on 02/06/2012 for the course POL 223 taught by Professor Aldrich during the Fall '10 term at Purdue University-West Lafayette.

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The Tragedy of the Commons - Positive= +~1 for each animal...

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