What happens if high earners and companies DO Leave?? What is PLAN B?
Err.. tax the companies that spring up to offer the goods and services of those that have left. And tax the individuals emigrating into Britain to do the well paying jobs of those who have just quit to move to the USA.
The implication here is that the newcomers will either invest/work at lower margins (i.e. less tax revenue) or that they have some kind of competitive advantage over their predecessor, correct?
The problem with the latter is that the UK economy would overnight become less agile and forgiving of companies that fail. They would have a higher threshold of obligation to employees, face higher minimum wages, and be less able to attract investment because of higher corporation tax & abolition of tax relief on R&D.
I have a lot of sympathy for the view that life needs to be better for employees, I could write a long essay on this but it would not be interesting - but ultimately I think I'd rather see this sorted out via tax credit top ups than hampering private enterprise.
To repeat myself, a lot of the people on this thread argue that the UK economy as a whole won't survive Brexit (8% of our GDP is EU trade) should the UK exit the common market. But they'll happily submit to a 25% increase in minimum wages, having 10% of their equity co-opted by the state, taxes on transactions in financial services, and an overarching backdrop of nationalisation?