Armstrong, Alex - In: Journal of Economic Behavior & Organization 112 (2015) C, pp. 204-220
learn the language which is not his or her mother tongue. Language skills are productive in a human capital sense and can … spillovers associated with second language acquisition may imply there is not enough bilingualism relative to the social optimum …. Depending on the parameter values of the model, policies of either encouraging or discouraging the investment in language skills …