In this paper, a new paradigm is developed for analyzinginvestment strategies and pricing financial assets. This paradigmassumes that any investment strategy has its own "inherent reward" and "inherent risk" that can be judged with common sense. Ijustify axiomatically the existence and...

This paper applies the dichotomous theory of choice by Zou (2000a) tothe analysis of investmentstrategies and security markets. Issues concerning individualoptimality, (approximate) arbitrage,capital market equilibrium, and Pareto efficiency are studied undervarious market conditions. Among the...

The optimal contracts in portfolio delegation under general preferences are characterized when the underlying state variable is not contractible, and the principal must rely on the final returns of portfolios to design the compensation schemes for the fund manager. We show that the optimal...

We show in general that risky investments become more attractive asthe investment horizon (n) lengthens.Specifically, any investor's maximal expected utility directlyincreases with n, as well as the investor's willingness toallocate more capital to the risky assets if his optimal strategy...