In this paper a number of alternative autoregressive conditional duration (ACD) models are compared using a sample of data for three major companies traded on the Australian Stock Exchange. The comparison is performed by employing the methodology for evaluating density and interval forecasts,...

This study was prompted by the findings of Butler et al (1998) that the Australian contribution to the international health services research literature accounted for 5.6% in 1993-1994. First, the methodology used in that study is critically appraised, and second, to identify the extent to which...