Estimates of the Okun coefficient are made for Australian workers grouped by age and gender using an unobserved components model. By analogy we define and estimate a participation coefficient which measures the cyclical response of the labour force participation rate to cyclical output shocks....

The primary aim of maritime security assessment models is to assess the level of security within and across the maritime network. When managing risk through legislation, regulatory assessment models are used to assess risk levels and examine the impact of policy options, usually in terms of the...