“…We show instead that, during a virus outbreak, migrants are a liability, because they increase risks to their places of origin. Other studies have focused specifically on how return migration affects places of origins by fostering local development ( Chauvet et al, 2015 ), entrepreneurship ( Yang, 2008 ) and, more generally, a positive change in attitudes and beliefs (Clingsmith et al. 2009; ( Spilimbergo, 2009 , Chauvet and Mercier, 2014 , Mercier, 2016 , Barsbai et al, 2017 , Grewal, 2020 ).…”