This was published in Oct, last year. A look at the literature on the impact on wages and the public finances of EU migration.
Does immigration harm the job prospects of the UK-born? Brexit and the UK labour market
Two quotes worth highlighting,
Research on the impact of immigration to the UK has detected no negative effects on the average wages of UK-born workers (Dustmann et al, 2005; Manacorda et al, 2012).
and
Research also shows that EU immigrants have contributed positively to the UK fiscal budget. This is perhaps not surprising given that on average they are younger and more likely to be in work than the UK-born and therefore tend to pay more in taxes than they receive in benefits.
But you can’t reason people out of positions thy haven’t reasoned themselves into.
Reason