"A critical period for language learning is often defined as a sharp decline in learning outcomes with age. This study examines the relevance of the critical period to English proficiency among immigrants in the US. It uses microdata from the 2000 US Census, a model of language acquisition from...

This article investigates the macro-level drivers of adult-age language learning. We construct a new dataset that covers German language learning in 77 countries (including Germany) for 1992-2006. Fixed-effects regressions show that language learning in the EU is strongly associated with...

We study the effects of performance bonuses in immigrant language training for adults. A Swedish policy pilot conducted in 2009 - 2010 gave a randomly assigned group of municipalities the right to grant substantial cash bonuses to recently arrived migrants. The results suggest substantial...

There are two complementary models of immigrants' economic and social adjustment - the positive assimilation model of Chiswick (1978, 1979), and the negative assimilation model of Chiswick and Miller (2011). The negative assimilation model is applicable for immigrants from countries that are...