This paper extends the existing literature into the relationship between beta stability and the length of the estimation period. Specifically of our analysis in the use of powerful new econometrics tests and their application to non-US data, namely, Australian monthly stock returns.

This paper esplores the applicability of ARCH/ GARCH models to Australian financial structure data. In particular we focus on the extent to which the parameters of the models change over time by analysing the data contract. We find the results to vary over time and that simple models such as the...

By selecting a globally representative dataset of airline indices, this study demonstrates that oil price or oil price regimes (delineated by the first gulf war and the 9/11 terror attacks) alone do not have any significant implications for airline stock prices. Overall, these findings are...