Barrell, R., FitzGerald, J., and Riley, R. (2010). EU Enlargement and Migration: Assessing the Macroeconomic Impacts, Journal of Common Market Studies, Vol. 48 No. 2, pp. 373-395, Oxford: Blackwell Publishing, http://dx.doi.org/10.1111/j.1468-5965.2009.02056.x