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Elinor Ostrom Presentation:
How communities beat the tragedy of the commons

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Table of Contents
How Communities Beat the Tragedy of the Commons
Empirical Evidence of Successes and Failures
Attributes of a Resource
Attributes of the Users
Large Regimes are Important
Benefit-Cost Analysis of Beating the Tragedy
Benefit-Cost Analysis (cont.)
When is Institutional Change Likely?
Minimal Winning Coalitions May Be:
Attributes of Resources and of Users
Costs are Higher When:
Benefits are Higher When:
Theoretical Puzzles
Size of Group
Heterogeneity
If Interests are Aligned:
If Interests are NOT Aligned:
Size and Heterogeneity
Conclusions
Given the number of variables
Lessons
Lessons (cont.)
The Bad News
The Partially Good News
Long-term Success
The Challenge Ahead
Researchers Need to Do
Policymakers Need to Develop
Resource Users Need to

Last Updated: June 28, 2002
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