We use state-space methods to construct new estimates of Australian gross domestic product (GDP) growth from the published national accounts estimates of expenditure, income and production. Across a range of specifications, our measures are substantially less volatile than headline GDP growth....

The semi-government bond market has grown rapidly in recent years, reflecting developments in state government financing needs, in particular increasing funding needs for infrastructure investment. The growth has increased the depth and liquidity of the market, and semi-government securities...

The disturbance of the transmission of a diffusive medium due to an object hidden in it can be expressed in terms of an effective charge and dipole moment. In the mesoscopic regime, beyond the diffusion approximation, we calculate this effective charge and dipole moment. Various objects are...

Gauging economic conditions in real time is challenging, in part because economic data are difficult to measure and subject to subsequent revision as more information becomes available. This article investigates the pattern and size of revisions to real gross domestic product (GDP) over the past...

Motivated by the desire to model internet traffic we consider random walks that start and are absorbed on the leaves of random networks and study the length of such walks. We present and test two techniques to analyse these walks. On Erdős–Rényi random graphs where the probability of a walk...