An important question for firms and policy makers is whether the recruitment of foreign workers can boost innovation. Migration studies have demonstrated positive economic impacts of cultural diversity on productivity and innovation at the regional level, but the impacts at firm level are less...

The ongoing relationships between emigrants and their families, friends, and business contacts in their home countries can increase outbound and inbound crossborder travel, while cross-border tourism and business and study trips can trigger migration. New communication technologies, such as...