The United States has admitted more than 3 million refugees since 1980 through official refugee resettlement programs. Scholars attribute the success of refugee groups to governmental programs on assimilation and integration. Before 1948, however, refugees arrived without formal selection...

Besides their ideas and social networks, émigré intellectuals bring with themselves practices for engagement with intellectual work. This article focuses on one such practice: the intellectual Kreis [circle]. It focuses on the Geistkreis, an interwar Viennese interdisciplinary intellectual...

Historical accounts suggest that the arrival of German Jewish émigrés who fled the Nazi regime revolutionized U.S. science and innovation. This paper presents the first systematic analysis of the émigrés' effects on U.S. innovation. Difference-in-differences analyses compare changes in...