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Science Advances|December 8, 2018
The strength of dynamic ties: The ability to alter some ties promotes cooperation in those that cannot be alteredAshley Harrell, David Melamed, Brent SimpsonScientific Reports|March 25, 2017
Prosocial Orientation Alters Network Dynamics and Fosters CooperationDavid Melamed, Brent Simpson, Ashley HarrellProceedings of the National Academy of Sciences of the United States of America|January 18, 2018
Cooperation, clustering, and assortative mixing in dynamic networksDavid Melamed, Ashley Harrell, Brent SimpsonScientific Reports|February 18, 2017
The Enforcement of Moral Boundaries Promotes Cooperation and Prosocial Behavior in GroupsBrent Simpson, Robb Willer, Ashley HarrellScience Advances|June 16, 2020
The robustness of reciprocity: Experimental evidence that each form of reciprocity is robust to the presence of other forms of reciprocityDavid Melamed, Brent Simpson, Jered AbernathyNature Communications|November 24, 2023
Reputations for treatment of outgroup members can prevent the emergence of political segregation in cooperative networksBrent Simpson, Bradley Montgomery, David MelamedScientific Reports|April 27, 2022
Inequality and cooperation in social networksDavid Melamed, Brent Simpson, Bradley Montgomery, et al.Plos One|September 20, 2019
Group leaders establish cooperative norms that persist in subsequent interactionsAshley HarrellSocial Science Research|March 2, 2021
Better together: Third party helping is enhanced when the decision to help is made jointlyAshley HarrellPNAS Nexus|May 19, 2025
Reputation-based reciprocity in human-bot and human-human networksAshley Harrell, Margaret L TraegerPageof 6