Implications of Endogenous Group Formation for Efficient Risk-Sharing
AbstractThe existing literature on sub-game perfect risk-sharing suffers from a basic inconsistency. While a group of size "n" is able to coordinate on a risk-sharing outcome, it is assumed that deviating subgroups cannot. I relax this assumption and characterise the optimal contract among all coalition-proof history-dependent contracts. This alters the predictions of the standard dynamic limited commitment model. I show that the consumption of constrained agents depends on both the history of shocks and its interaction with the current income of other constrained agents. From this, I derive a formal test for the presence of endogenous group formation under limited commitment. Copyright � The Author(s). Journal compilation � Royal Economic Society 2009.
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Bibliographic InfoArticle provided by Royal Economic Society in its journal The Economic Journal.
Volume (Year): 119 (2009)
Issue (Month): 536 (03)
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- Michail Anthropelos, 2012. "Agents' Strategic Behavior in Optimal Risk Sharing," Papers 1206.0384, arXiv.org, revised Mar 2013.
- Fabien MOIZEAU & Fernando JARAMILLO & Hubert KEMPF, 2011. "Heterogeneity and the Formation of Risk-Sharing Coalitions," Economics Working Paper Archive (University of Rennes 1 & University of Caen) 201111, Center for Research in Economics and Management (CREM), University of Rennes 1, University of Caen and CNRS.
- Ethan Ligon & Pierre Dubois, 2012. "Incentives & Nutrition for Rotten Kids: The Quantity & Quality of Food Allocated within Philippine Households," 2012 Meeting Papers 375, Society for Economic Dynamics.
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