Prison Gangs and the Community Responsibility System

Originally published in Review of Behavioral Economics

Why do prison gangs exist? Despite the prominence of formal governance mechanisms, inmates also require self-governance institutions to facilitate illicit trade. This article examines how inmates enforce agreements in the illicit contraband trade and how they resolve social disputes.

Why do prison gangs exist? Despite the prominence of formal governance mechanisms, inmates also require self-governance institutions to facilitate illicit trade. This article examines how inmates enforce agreements in the illicit contraband trade and how they resolve social disputes. The article first describes how the informal prison society operates as a community responsibility system. The article then presents a model of prison gang organization that accounts for both environmental factors and the endogenous actions of the prison administration, encapsulated in the "warden." This article finds that gangs organize based on exogenous characteristics. The "warden" diffuses gang influence by maintaining the oligopolistic structure, which limits contraband but allows for orderly private allocation of prison-provided goods and dispute resolution.

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