Latent class, or finite mixture, modelling has proved a very popular, and relatively easy, way of introducing much-needed heterogeneity into empirical models right across the social sciences. The technique involves (probabilistically) splitting the population into a finite number of (relatively...

The paper presents an econometric accounting of the effective corporate tax rate in Australia for the years 1993 to 1996. The estimation is a panel of Australian firms that uses a specially gathered financial data base. Using fixed and random effects, the model specifies that the statutory tax...