Depends what the job situation does. Right now, nobody I speak to is expecting anything. People just numbly trudge from one day to the next and wait to "see what happens". General election before long, heigh-ho... Trust is gone, though.

In the meantime, no matter how easy travel becomes, once emigrants have begun to establish themselves and find friends in a new community it gets harder and harder to leave what you've built up. Commitments start forging their own links, and often - unless you're very committed to a particular goal or destination (which a lot of kids aren't, except survival) - a life-path just follows the line of least resistance. So they stay wherever it is they've gone.