M. Browning and P. Chiappori, E¢ cient Intra-Household Allocations: A General Characterization and Empirical Tests, Econometrica, pp.66-1241, 1998.
DOI : 10.2307/2999616
URL : http://socserv.socsci.mcmaster.ca/econ/rsrch/papers/archive/94-07.pdf

G. Carlier and R. Dana, Two-persons efficient risk-sharing and equilibria for concave law-invariant utilities, Economic Theory, vol.18, issue.1, pp.189-223, 2008.
DOI : 10.1007/s00199-007-0266-z
URL : https://hal.archives-ouvertes.fr/hal-00360903

G. Carlier, R. Dana, and A. Galichon, Pareto efficiency for the concave order and multivariate comonotonicity, Journal of Economic Theory, vol.147, issue.1, pp.207-229, 2012.
DOI : 10.1016/j.jet.2011.11.011
URL : https://hal.archives-ouvertes.fr/hal-00637397

P. Chiappori and I. Ekeland, The Economics and Mathematics of Aggregation: Formal Models of E¢ cient Group Behavior, Foundations and Trends in Microeconomics, pp.1-151, 2009.

P. R. Halmos, Bad Products of Good Matrices, Multilinear and linear Algebra 29, pp.1-20, 1991.

R. M. Townsend, Risk and Insurance in Village India, Econometrica, vol.62, issue.3, pp.539-592, 1994.
DOI : 10.2307/2951659