Studies that investigate the effect of the regional ethnic composition on immigrant outcomes have been complicated by the self-selection of ethnic minorities into specific neighbourhoods. We analyse the impact of own-ethnic concentration on the language proficiency of immigrants by exploiting...

Barnow, Trutko, and Piatak focus on whether persistent occupation-specific labor shortages might lead to inefficiencies in the U.S. economy. They describe why shortages arise, the difficulty in ascertaining that a shortage is present, and how to assess strategies to alleviate the shortage.

Using data from the German Socio-Economic Panel (SOEP) and administrative data from 1996 to 2009, I investigate thequestion whether or not right-wing extremism of German residents is affected by the ethnic concentration of foreigners living in the same residential area. My results show a...