We evaluate whether a lock-down to control COVID-19 infections is justified by estimating the economic costs for the ‘scythe', the absence of any government-imposed suppression measures and the ‘hammer', an early lock-down intended to drastically reduce community transmission. Using a...

The causes of overfishing are reviewed along with deficiencies in top-down input-regulated fisheries management. An alternative is the three pillars of fisheries policy intended to ensure sustainable, economically viable fisheries and marine ecosystems. The first pillar are incentives that...

Using an age-structured, stochastic SIRM model, calibrated to Australian data post July 2021 with community transmission of the Delta variant, we project possible public health outcomes (daily cases, hospitalisations, ICU beds, ventilators and fatalities) and economy costs for three states: New...

A key challenge in managing semi-arid Basins, such as in the Murray-Darling in Australia, is to balance the trade-offs between the net benefits of allocating water for irrigated agriculture, and other uses, versus the costs of reduced surface flows for the environment. Typically, water planners...