likewise in italy ireland and spain the language matters less less than in comparison with other oecd countries although these are very interesting finding they should be interpreted with caution speaking the hostcountry language at home may also capture other observed and unobserved characteristics of the household which have not been taken into account in this analysis in the united states and belgium controlling for foreign qualifications accounts for and of the difference respectively and close to in france finland and italy in contrast in the united kingdom only of the initial difference between natives and migrants reflect differences which can be attributed to the country where education was completed the analysis on foreign qualifications is likely to control both for differences in the quality of education across countries but also language skills of those migrants who have studies in the host country