Skip to content


*student while the research was being conducted; ^equal contributions

Ashley Harrell and Joseph M. Quinn*^. 2023. “Shared Identities and the Structure of Exchange Distinctly Shape Cooperation.” Forthcoming in Social Forces.

Ashley Harrell and Tom Wolff*. 2023. “Cooperation in Networked Collective Action Groups: Information Access and Norm Enforcement in Groups of Different Sizes.” Social Psychology Quarterly [Link]

Ashley Harrell and Anna S. Greenleaf*. 2023. “Resource Asymmetry Reduces Generosity and Paying Forward Generosity, Among the Resource-Advantaged and Disadvantaged.” Social Science Research 109: 102786. [Link]

Ashley Harrell. 2021. “How Can I Help You? Multiple Resource Availability Promotes Generosity With Low-Value (but Not High-Value) Resources.” Rationality and Society 33: 3. [Link]

Ashley Harrell. 2021. “Better Together: Third Party Helping is Enhanced When the Decision to Help is Made Jointly.” Social Science Research 94: 102516. [Link]

David Melamed, Brent Simpson, Ashley Harrell, Christopher W. Munn, Jered Z. Abernathy, and Matthew Sweitzer. 2020. “Homophily and Segregation in Cooperative Networks.” American Journal of Sociology 125: 1084-1127. [Link]

Ashley Harrell. 2019. “Group Leaders Establish Cooperative Norms That Persist in Subsequent Interactions.” PLOS ONE 14: e0222724. [Link]

Ashley Harrell, David Melamed, and Brent Simpson. 2018. “The Strength of Dynamic Ties: The Ability to Alter Some Ties Promotes Cooperation in Those That Cannot be Altered.” Science Advances 4: eaau9109. [Link]

Ashley Harrell. 2018. “Competition for Leadership Promotes Contributions to Collective Action.” Social Forces 97: 405-426[Link]

David Melamed, Ashley Harrell, and Brent Simpson. 2018. “Cooperation, Clustering, and Assortative Mixing in Dynamic Networks.” Proceedings of the National Academy of Sciences 115: 951-956. [Link]

Brent Simpson, Ashley Harrell, David Melamed, Nick Heiserman, and Daniela Negraia. 2018. “The Roots of Reciprocity: Gratitude and Reputation in Generalized Exchange Systems.” American Sociological Review 83: 88-110. [Link]

David Melamed, Brent Simpson, and Ashley Harrell. 2017. “Prosocial Orientation Fosters Cooperation in Structured Populations.” Scientific Reports 7:357. [Link]

Brent Simpson, Robb Willer, and Ashley Harrell. 2017. “The Enforcement of Moral Boundaries Promotes Cooperation and Prosocial Behavior in Groups.” Scientific Reports 7: 42844. [Link]

Shane Thye and Ashley Harrell. 2017. “The Status Value Theory of Power and Mechanisms of Micro Stratification: Theory and New Experimental Evidence.” Social Science Research 63: 54-66. [Link]

Ashley Harrell and Brent Simpson. 2016. “The Dynamics of Prosocial Leadership: Power and Influence in Collective Action Groups.” Social Forces 94: 1283-1308. [Link]

Brent Simpson, Matthew Brashears, Eric Gladstone, and Ashley Harrell. 2014. “Birds of Different Feathers Cooperate Together: No Evidence for Altruism Homophily in Networks.” Sociological Science 1: 542-564. [Link]

Brent Simpson, Ashley Harrell, and Robb Willer. 2013. “Hidden Paths from Morality to Cooperation: Moral Judgments Promote Trust and Trustworthiness.” Social Forces 91: 1529-1548. [Link]

Ashley Harrell. 2012. “Do Religious Cognitions Promote Prosociality?” Rationality and Society 24: 463-482. [Link]