Published online by Cambridge University Press: 19 October 2009
In the last decade the theories of Investor behavior and capital markets have broadened to recognize the importance of the portfolio decision of investors and the simultaneity of price determination of equity values. Tobin, Sharpe, Lintner, and Lerner and Carleton have all made contributions to the theory that equity markets are essentially a system in which many investors simultaneously seek to maximize their wealth by allocating their available liquidity among various equities.