Labour mobility is a relatively new concept too. In the days before nuclear families, people have large extended families to rely on for childcare, and are in a

Labour mobility is a relatively new concept too. In the days before nuclear families, people have large extended families to rely on for childcare, and are in a better position to look after their elderly without having to send them to a nursing home. I'm not saying labour mobility is a bad thing, but they have their own policy issues.