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Victor Filipe Martins da Rocha et al., « Constrained Efficiency Without Commitment », HAL-SHS : économie et finance, ID : 10.1016/j.jmateco.2015.09.010
We consider an infinite horizon economy where agents share income risks by trading a complete set of contingent claims but cannot commit to their promises. Allocations are restricted to be self-enforcing relative to autarchic reservation utilities. We provide a general characterization of constrained Pareto efficiency without assuming that there are uniform gains to trade. Our results extend those in Bloise and Reichlin (2011) in several aspects.