The latest data indicates a clear link between trade integration and falling global inequality

See The globalisation elephant has left the room by CHRIS GILES of The Financial Times. Excerpt: 

"Since the 2008 financial crisis, the incomes of the poorest families have risen the fastest, with annual real income growth of the poorest tenth of the world’s population at about 7 per cent. That falls to 6 per cent for households with middle incomes and under 2 per cent a year for the global elite."