This paper addresses the need for a measure of the uncertainty that is associated with the results calculated using tax policy behavioural microsimulation models. Deriving the analytical measure would be extremely complicated. Therefore, a simulated approach is proposed, which approximates the...

This article uses the Melbourne Institute Tax and Transfer Simulator to examine the effects of changes to the social security and income tax system as introduced by the Australian New Tax System in July 2000. First this whole set of changes is studied, followed by a separate discussion of some...