These studies include the OECD's International Migration Outlook 2013, the Centre for Research and Analysis of Migration study on Assessing the Fiscal Costs and Benefits of A8 Migration to the UK and the recent study by the Centre for European Reform.
Uuringud, millele toetuti, on OECD International Migration Outlook 2013, migratsiooniuuringute keskuse uuring Assessing the Fiscal Costs and Benefits of A8 Migration to the UK ja äsjane uuring, mille teostas Centre for European Reform.