In the 1990s, Colombia, the Dominican Republic, Ecuador, Costa Rica and Brazil passed dual citizenship laws granting their expatriates the right to naturalize in the receiving country without losing their nationality of origin. I estimate the effects of these new laws on naturalization rates and...

The Tiananmen Square protests in 1989 and ensuing government crackdown affected Chinese nationals not only at home but around the world. The U.S. government responded to the events in China by enacting multiple measures to protect Chinese nationals present in the U.S. It first suspended all...