hospitalisation and fatality rates of vaccination and population immunity due to past infection: the latter was the most signiÖcant … factor driving both trends, while the vaccination rate also had a signiÖcant short run e§ect on the fatality rate. We also … updated our policy comparison with Sweden for the most recent data, with similar conclusions.: lower Swedish lockdown …

supply of approved vaccines and constrained medical resources, the choice of a vaccination strategy is fundamentally an … to estimate the effects of progress in vaccination and types of vaccines on health outcomes. Potential confounders such …. Conditioning on first dose progress, full vaccination offers no further reductions in new cases and deaths. For vaccines from China …

[Einleitung:] Als zu Beginn des Jahres 2020 das Coronavirus SARS-CoV-2 zur globalen Pandemie erklärt wurde, traf diese …

Escape variants can cause new waves of COVID-19 outbreaks and put vaccination strategies at risk. To prevent or delay …

Purpose: To determine the influence of COVID-19 and the first 2020 lockdown on Flemish people's initial travel … they might be able to travel again during the summer of 2020 (July/August). This research had two main aims: i) the pre-lockdown …) contribute to literature regarding the resilience of the (local) tourism industry. Additionally, the research unveils how the …

We embed a lockdown choice in a simplified epidemiological model and derive formulas for the optimal lockdown intensity … discovery, learning effects in the health care sector, and the severity of output losses due to a lockdown. In our baseline …

We embed a lockdown choice in a simplified epidemiological model and derive formulas for the optimal lockdown intensity … discovery, learning effects in the health care sector, and the severity of output losses due to a lockdown. In our baseline …

characterize equilibrium, optimal outcomes, static and dynamic externalities, and prove the following: (i) A lockdown generically … arrives deterministically, optimal policy is discontinous, featuring a light/strict lockdown when the arrival date exceeds … gains from optimal policy unless the government lacks instruments to stimulate activity after a lockdown. …