Altruism by age and social proximity

• Mark C. Long ,

  Contributed equally to this work with: Mark C. Long, Eleanor Krause

  * E-mail: marklong@uw.edu

  Affiliation Evans School of Public Policy and Governance, University of Washington, Seattle, Washington, United States of America

  http://orcid.org/0000-0001-5500-9967

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• Eleanor Krause

  Contributed equally to this work with: Mark C. Long, Eleanor Krause

  Affiliation Evans School of Public Policy and Governance, University of Washington, Seattle, Washington, United States of America

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