This article argues the case for changes to the Goods and Services Tax (GST) as a key part of fundamental tax reform in Australia. A more comprehensive base would bring gains in efficiency and simplicity, with equity goals better met by the income transfer system. Revenue gains of a broader GST base and/or a higher rate could fund tax mix change packages to replace more distorting state stamp duties and fund lower income tax rates. The tax mix change packages would improve efficiency and simplicity, with no substantial changes to aggregate revenue or to equity.

Two timely reviews of Australia’s transfer and tax systems were commissioned by the incoming government in 2008, although the GST, tax exemption of superannuation payments to people aged over 60, and pre-announced personal income tax cuts were placed outside the scope of inquiry. Most of the recommendations of the Harmer Pension Review have been implemented, but most of the recommendations of the Henry Tax Review have not. The Henry recommendations provided for enhanced equity and efficiency through a broader and simplified base, concentrating revenue raising on personal and business income, private consumption, and economic rents from natural resources and land. They provide an integrated blueprint for ongoing debate over tax reform.

Personal finance is a challenging topic which can benefit from a scientific approach to individual financial planning. This paper presents an individual asset liability management (iALM) model for life cycle planning which uses the methodology of dynamic stochastic optimisation and incorporates ideas from both classical and behavioural finance. Its implementation is in the form of a decision support tool for use by financial advisers or wealth managers. The investment universe is given by a set of indices for major asset classes and their returns are simulated forward over the lifetime of a household. On the liability side the foreseen cash flows of incomes and outgoings are simulated and punctuated by life events such as illness and death. The household's utility function is constructed for each time period over a range of monetary values in terms of household financial goals and preferences. Taxes and pension savings are treated using the tax shielded saving accounts specific to a national jurisdiction in terms of constraints in the optimisation sub-models. The paper goes on to present an analysis of iALM model recommendations for a representative UK household, together with an evaluation of the sensitivity of the financial plan generated to changes in market environments such as the 2007–9 crisis. The promise of this new technology is to bring modern decision support tools to individual investors in order to facilitate custom designed consumption, savings and investment policies.