Since the 1990s, South Korea's population has been aging and its fertility rate has fallen. At the same time, the number of Koreans living abroad has risen considerably. These trends threaten to diminish South Korea's international and economic stature. To mitigate the negative effects of these...

Some studies of social science, such as Robert Putnam's seminal article, E Pluribus Unum: Diversity and Community in the Twenty-first Century, suggest that immigration undermines voluntary contributions to public goods because it leads to ethnic diversity, which erodes social trust. In this...

In this paper, I study the impact of immigrant concentration in primary schools on educational outcomes of native and migrant students in a major Austrian city between 1980-2001. The outcome measures of interest are track attendance after primary education and grade repetition. Using variation...