Many important questions in the field of public finance can be viewed as problems involving public policies in open economies. This paper draws together, from that perspective, a wide range of topics in public economics, emphasizing the implications of resource mobility for our understanding of...

The COVID-19 crisis poses new policy challenges and has spurred new research agendas in public economics. In this article, we selectively reflect on how the field of public economics has been shaped by the COVID-19 pandemic and discuss several areas where more research is necessary. We highlight...