From the US to Tunisia, immigration is a salient issue now — with climate change, it will only grow: Marco E. Tabellini
"Immigrants might generate congestion, especially in the short run and if migrant flows are large and sudden. However, there is no evidence in my work to show immigrants increase crime or reduce health. Moreover, my research indicates that sometimes, the impression that immigrants lead to public goods congestion is driven by the choice of natives who, because of immigration, decide to cut public or welfare spending," Tabellini.
Source: indiatimes.com