why is cross broder labor mobility controversial 
encouraging geographic mobility across national borders is often a point of controversy opponents argue that migrant workers are usually hired because they will accept lower wages effectively taking jobs from citizens in extreme cases it can lead to the overpopulation of certain areas straining public services and pushing up the local cost of living this can also fuel hostility and spur social unrest others argue that migrant workers take low paying low skilled work that few others want to perform a growing population usually corresponds with economic growth and prosperity 9the bottom linegeographic labor mobility is one factor among many that economists use to reveal and track the relative strength of a nation s workforce in general a population of workers who are free to relocate to take on new opportunities is more productive businesses that can recruit workers nationwide rather than locally are more likely to succeed 