In 2000 Census microdata, various outcomes of second-generation immigrants are related to their parents’ age at arrival in the United States, and in particular whether that age fell within the "critical period" of language acquisition. We interpret this as an effect of the parents’...

Research on the effect of language skills on earnings is complicated by the endogeneity of language skills. This study exploits the phenomenon that younger children learn languages more easily than older children to construct an instrumental variable for language proficiency. We find a...

Are the English proficiency and social outcomes of US immigrants the result of their cultural preferences or of more fundamental constraints? Using 2000 census microdata, we relate the English proficiency, marriage, fertility, and residential location variables of immigrants to their age at the...

We test whether the effect of English proficiency differs between Hispanic and non-Hispanic immigrants. Using 2000 U.S. Census microdata on immigrants who arrived before age 15, we relate labor market, education, marriage, fertility and location of residence variables to their age at arrival in...

Are U.S. immigrants' English proficiency and social outcomes the result of their cultural preferences, or of more fundamental constraints? Using 2000 Census microdata, we relate immigrants' marriage, fertility and residential location variables to their age at arrival in the U.S., and in...