After more than half a decade of debate dominated by the global financial crisis, 2014 saw a departure from this singular focus. Thomas Piketty started a global discussion about historical patterns of inequality and their negative repercussions. And looking to the future rather than back in time, The Second Machine Age by Erik Brynjolfsson and Andrew McAfee of the Massachusetts Institute of Technology showed how the digital revolution is about to transform our economic and social lives. The key problem for policymaking is that these technology-driven developments are certain to further increase existing inequalities and to create new ones at a time when, as Piketty has shown, we have already returned to historically high levels

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