NAFTA has reduced workers' bargaining power.  In reducing barriers to imports and exports, NAFTA has shifted bargaining power in favor of producers, who can more easily relocate factories if workers in an area are too demanding. This allows more exploitation of workers, something that we should be preventing rather than encouraging. By allowing companies to move production across the US, Canada, and Mexico, NAFTA creates a disadvantage for workers in all three countries1. This essentially helps the rich get richer while making those who are poor, or middle class poorer increasing income inequality.  1 Scott, Robert, Carlos Salas, and Bruce Campbell. "Revisiting NAFTA: Still Not Good for North America's Workers." Economic Policy Institute, September 28, 2006.