Using recent data on the unvaccinated across U.S. states, this paper focuses on the determinants of vaccine hesitancy related to the COVID-19 pandemic. Results show that more prosperous states and states with more elderly and physicians have lower vaccine hesitancy. There was some evidence of...

Over the first half of March 2021, the majority of European governments suspended Astrazeneca's Vaxzevria vaccine as a precaution following media reports of rare blood clots. We analyse the impact of the European Medicines Agency's (EMA) March 18th statement assuring the public of the safety of...

Over the first half of March 2021, the majority of European governments suspended Astrazeneca's Vaxzevria vaccine as a precaution following media reports of rare blood clots. We analyse the impact of the European Medicines Agency's (EMA) March 18th statement assuring the public of the safety of...

We evaluate the impact of government mandated proof of vaccination requirements for access to public venues and non-essential businesses on COVID-19 vaccine uptake. We find that the announcement of a mandate is associated with a rapid and significant surge in new vaccinations (more than 60%...

Successful development and uptake of vaccine technology in a Quadruple Helix Innovative health or economic system requires a clear understanding of society's preferences as the fourth helix. With significant financial commitments to find a safe and effective COVID-19 vaccine still ongoing, this...