Keywords
decreasing concavity; portfolio choice; smooth ambiguity aversion; maxmin;
Replaced by
Frédéric Cherbonnier, and Christian Gollier, “Decreasing Aversion under Ambiguity”, Journal of Economic Theory, vol. 157, 2015, pp. 606–623.
Reference
Frédéric Cherbonnier, and Christian Gollier, Decreasing Aversion under Ambiguity, June 2011, revised January 2015.