This paper explores two issues in beta estimation, specifically, time variation and thin trading. In a multivariate GARCH approach, the paper conducts an analysis of the importance of assumptions made about the correlation structure in the multivariate GARCH model. The results of Monte Carlo...

This study analyses the foreign exchange exposure of the Australian equities market to movements in the Australian dollar/Japanese yen (AUDJPY) and the Australian dollar/US dollar (AUDUSD) in a Fama-French framework using both daily data and monthly data. In addition to simply investigating...

This paper investigates three techniques for the estimation of conditional timeâ€dependent betas: (a) a multivariate generalised ARCH approach; (b) a timeâ€varying beta market model approach suggested by Schwert and Seguin (1990); and (c) the Kalman filter technique. These approaches are...