The increasing popularity of non-dealer security markets that offer automated, computer-based, continuous trading reflects the conventional wisdom that such markets are more efficient for all issues, large and small. This article uses a recent testing methodology to estimate the relative...

Efficient estimation of the equity cost of public corporations is an essential component of computing the required rate of return of real investment projects, and therefore the basis for a rational investment policy. The accepted methodology relies on the CAPM model to define the return risk...