Document de travail Heterogeneity of Preferences, Limited Commitment and Coalitions Empirical Evidence on the Limits to Risk Sharing in Rural Pakistan Pierre Dubois IDEI Working Paper n° 391, août 2005 RéférencePierre Dubois, « Heterogeneity of Preferences, Limited Commitment and Coalitions Empirical Evidence on the Limits to Risk Sharing in Rural Pakistan », IDEI Working Paper, n° 391, août 2005.