This article investigates the effects of non-overlapping trading hours on the correlations and cross-serial correlations of returns in non-contemporaneous stock markets and develops a simple formula for calculating contemporaneous correlation measures. The presence of these effects is...

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...