On Monday, December 18th, 2023, we organize, at UQAM, a workshop on “Networks, Games and Risk“. Decentralized risk-sharing markets are markets for risk exchange in which a pool of individuals agree to mutually insurer each other, without recourse to a centralized insurance provider. Some important problems to examine in these markets are the following: The coalitional stability of the pool, or the formation of risk-sharing networks (subcoalitions) within the pool. The Pareto-efficiency of allocations along risk-sharing networks. The structure of allocation mechanisms within …