Efficient Public Good Provision in a Multipolar World

Anwar, Chowdhury Mohammad Sakib and Bruno, Jorge and Foucart, Renaud and Sen Gupta, Sonali (2023) Efficient Public Good Provision in a Multipolar World. Working Paper. Lancaster University, Department of Economics.

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We model a public goods game with groups, position uncertainty, and observational learning. Contributions are simultaneous within groups, but groups play sequentially based on their observation of an incomplete sample of past contributions. We show that full cooperation between and within groups is possible with self-interested players on a fixed horizon. Position uncertainty implies the existence of an equilibrium where groups of players conditionally cooperate in the hope of influencing further groups. Conditional cooperation implies that each group member is pivotal, so that efficient simultaneous provision within groups is an equilibrium.

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20 Mar 2023 15:55
Last Modified:
27 Sep 2023 00:47