Vaccines against COVID-19 are under development. As a scarce resource, the health authorities have to decide how to prioritise the vaccine in the target population. The aim of this paper is to explore the cost-effectiveness of a COVID-19 vaccine and to analyse how the vaccine price, and the cost...

From a game theoretical perspective, a prerequisite for an international fishery agreement (IFA) to be stable is that parties expect their benefits from joining the agreement to exceed the benefits from free riding on the agreement, and parties only comply with the agreement as long as this is...