This paper introduces an index of tax optimality that measures the distance of a current tax structure from the optimal tax structure in the presence of public goods. In doing so, we derive a [0, 1] number that reveals immediately how far the current tax configuration is from the optimal one...

This paper examines the welfare implications of non-discriminatory tariff reforms by a subset of countries, which we term a nonpreferential trading club. We show that there exist coordinated tariff reforms, accompanied by appropriate income transfers between these countries, that unambiguously...

In this paper, we investigate two fiscal policy options to mitigate fiscal pressure arising from ageing of the Australian population: pension cuts or tax hikes. Using a computable overlapping generations model, we find that while both policy options achieve the same fiscal goal, the...

This paper provides a quantitative analysis of hypothetical replacements of existing tax arrangements applied to superannuation (Australia.s term for private pensions) with traditional EET and TEE regimes. These taxation regimes exempt pension fund earnings from any taxation and tax either...