In today's globalized world, people are increasingly mobile and often need to communicate across different languages. Learning a new language is an investment in human capital. Migrants must learn the language of their destination country, but even non-migrants must often learn other languages...

In this paper, we analyse which channels influence individual preferences concerning the choice of the official language in Zambia. We develop a theoretical framework, which is tested using data on elicited beliefs about the effects of changes in Zambia's language policy on schooling outcomes,...