And that starts by changing senseless rules that discourage displaced workers from getting the education and training they need to find and fill the jobs of the future.
And greater labor mobility is likely to run up against existing government regulations as well as cultural and language barriers that discourage the movement of workers across borders.
Yet federal tax, Social Security, Medicare, pension and antidiscriminiation laws "discourage work at older ages and discourage employers from hiring older workers, " says Richard W. Johnson of Urban Institute.
High payroll taxes in many Latin American countries penalise workers in the formal economy, and rigid and over-generous labour laws discourage the creation of formal jobs.