Considering the heteroscedasticity and cross-correlation in the error terms of international stock market returns, International Capital Asset Pricing Model (CAPM) is reinvestigated under Seemingly Unrelated Regression (SUR) and SUR with GARCH (SURGARCH) framework.We modified Feasible...

Using nonparametric techniques, we develop a methodology for estimating and testing conditional alphas and betas and long-run alphas and betas, which are the averages of conditional alphas and betas, respectively, across time. The estimators and tests can be implemented for a single asset or...

This paper investigates the effect of bad or good news (asymmetric effect) on the time-varying betas of firms in the banking industries of the UK and the US during good periods (booms) and bad periods (recessions). Daily data from eleven UK and US firms of different sizes from the banking...