August 04, 2015
From article:
But there is a vast amount of literature showing that open borders could be the single best policy to alleviate global poverty. The free movement of people would enrich individuals by allowing them to move to where their specific skills and talents are most economically efficient and personally beneficial. According to Michael Clemens at the Center for Global Development,open borders could lead to a one-time boost in world GDP of 50 to 150%.