The estimation and simulation results of a disaggregated structural model of u\U.S. security markets are presented in this paper. The model consists of estimated demands for corporate bonds, equities, and four distinct maturity classes of Treasury securities by 11 categories of investors. The...

When all financial assets have risky returns, the mean-variance portfolio model is potentially subject to two types of bliss points. One bliss point arises when a von Neumann-Morgenstern utility function displays negative marginal utility for sufficiently large end-of-period wealth, such as in...