Countries restrict the overall extent of international travel and migration to balance the expected costs and benefits of mobility. Given the ever-present threat of new, future pandemics, how should permanent restrictions on mobility respond?

Refugees living in low- and middle-income countries are especially vulnerable to the economic impacts of the COVID-19 pandemic. Based on data from eight hosting countries before COVID-19, we find that refugees are 60 percent more likely than host populations to be working in highly impacted sectors,...