Norms as a Solution to the Tragedy of the Commons: A Co-Evolutionary Model

Fabian Mankat ()
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Fabian Mankat: University of Kassel, Faculty of Economics and Management

MAGKS Papers on Economics from Philipps-Universität Marburg, Faculty of Business Administration and Economics, Department of Economics (Volkswirtschaftliche Abteilung)

Abstract: This paper examines how societies can conserve common-pool resources (CPRs) through the cultural transmission of norms. To this end, we introduce an evolutionary model that endogenizes the formation of personal, social, and descriptive norms, thereby unifying existing economic theories on norm evolution. By studying this model in a binary CPR game, we also account for the dynamics of the resource stock and its interplay with norms and behavior. We find that the resource can persist through (1) asymptotically stable equilibrium points where moral perceptions and behavioral routines are either homogeneous or heterogeneous across individuals, and (2) an asymptotically stable limit cycle in which moral perceptions remain constant, but herding causes alternating aggregate behavior and fluctuating resource stocks. We examine the degree of substitutability between two key factors—the active promotion of norm adoption by institutions and the impact of social recognition on peer opinion formation—for upholding norms and securing the CPR. Moreover, we find that larger sanctions for norm violations and lower material benefits from resource exploitation generally favor resource-conserving behavior in the short run but may surprisingly adversely affect resource conservation in the long run by interfering with cultural dynamics, thus threatening norm persistence.

Keywords: Tragedy of the commons; common-pool resources; cultural evolution; norms; co-evolutionary model (search for similar items in EconPapers)
JEL-codes: C73 D02 D62 Q20 Z13 (search for similar items in EconPapers)
Pages: 61 pages
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:mar:magkse:202418

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