Chiappori, P. A.; Ekeland, Ivar - In: Foundations and Trends(R) in Microeconomics 5 (2009) 1–2, pp. 1-151
The goal of this article is to provide a general characterization of group behavior in a market environment. A crucial feature of our approach is that we do not restrict the form of individual preferences or the nature of individual consumptions; we allow for public as well as private...