Gollier, Christian - In: Review of Economic Studies 64 (1997) 1, pp. 147-50
In the standard portfolio problem, a shift in the distribution of the risky asset is 'portfolio-dominated' if it reduces the demand for the risky asset by all risk-averse agents, irrespective of the risk-free rate. The author shows that the condition obtained by M. Landsberger and I. Meilijson...