Who have been the main winners and losers in the era of global free trade and what needs to change?

First, explain how specific policy changes post-1970s changed the way that commodity chains are organized.

Second, using particular countries as examples, explain how core, semi-periphery, and periphery countries have been affected by these changes

Third, discuss who you think have been the main winners and losers in the era of global free trade. In light of this, what change(s) you would like to see in trade policy and why?