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...

Dual nationality rights have been historically viewed with suspicion in immigrants' receiving countries, on the grounds, among other reasons, that they impede immigrants' assimilation. The debate around dual nationality, however, has taken place largely in the absence of empirical evidence. This...

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...