Allowing the supply of labour to expand will inevitably depress wages and salaries

At last!  The fucking penny has finally dropped.  Allowing the supply of labour to expand will inevitably depress wages and salaries (except in those professions that operate a form of closed shop such as lawyers and MPs).

Note how coyly immigration is described as "inward migration".

Article by Larry Elliott in the Guardian:  http://www.theguardian.com/money/economics-blog/2014/sep/17/wages-rise-employers-compete-pay-labour?CMP=twt_gu