Today on Scope Conditions: what drives discrimination against immigrants – and what can be done about it? When social scientists have sought to explain anti-immigrant bias, they’ve tended to focus on one of two possible causes: the perceived economic threat that migrants might pose to the native born or the cultural threat driven by differences in race, ethnicity, or religion. In a new book with Mathias Poertner and Nicholas Sambanis, our guest Donghyun Danny Choi, an assistant professor o...