NAFTA

If NAFTA made this agreement, people would be able to move about Canada, the United States, and Mexico with ease. The unskilled workers in Mexico would migrate to "El Norte," looking for higher paying jobs. The supply of workers in Mexico will drastically decrease. Only the terminally ignorant, or those with families in Mexico, would stay in a poor country and earn low wages. On the other hand, the United States' supply of workers will …

…or Canada because real wages are higher than those of Mexico. In the US and Canada, wages are higher because of better education, a more skilled workforce, larger stock of capital per worker, and the advantage of modern technology. Unskilled workers from Mexico might find themselves in the same position no matter which country they are in. They will be competing for low-paying minimum wage jobs, and there will be a plethora of unskilled workers.