It looks superficially good that there is wage growth
However this isn't linked to Brexit affecting immigration - as Immigration is increasing . EU migrants are leaving in droves but non EU immigration has increased.
As I understand it there are other factors at play. Due to Brexit business investment has slowed dramatically - both internally and international investment coming in. This combines with a rapidly weakening demand for our goods and services from China and Europe etc. The Bank of E said GDP is already 1.2% lower than expected three years ago and is falling.
So lower business investment hampers efficiency and productivity.So there's a short term effect on wages but a long term negative economic impact.
Reluctance to invest in businesses and technology and use of temporary workers make employment and wages look higher.
However the full picture shows incomes in real terms (once the cost of living is accounted for) remain lower than before the financial crisis over ten years ago.
What the Economist article says in full is:
"The question is whether wage growth will accelerate further...at its current rate real pay will not return to its pre-crisis peak until 2022.
Yet few economists believe Britain will soon resume the healthy productivity growth of the post-war period, which was consistent with real-terms pay rises of some 3% a year. The IMF expects British productivity growth to be weaker than in any other big, rich country this year.
Already there are signs that firms are struggling to afford the modest pay settlements that their workers are demanding. The cost of staffing per unit of output, a measure of domestically generated inflation, grew by 1.7% in 2017 but by 2.7% last year. To absorb these extra costs some firms are accepting lower profits. Other firms are passing them on to customers, stoking consumer-price inflation, which hovers around the Bank of England’s 2% target."