The Durability of Public Goods Changes the Dynamics and Nature of Social Dilemmas

• Sam P. Brown ,

  *To whom correspondence should be addressed. E-mail: sam.brown@cantab.net

  Affiliation Section of Integrative Biology, University of Texas at Austin, Austin, Texas, United States of America

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• François Taddei

  Affiliation University Paris 5, Institut National de la Sante et de la Recherche Medicale, U571, Paris, France

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