The world economy is on the cusp of sweeping changes, amid rising protectionism. 2017 could be the most difficult year for globalization with looming negotiations for the UK’s withdrawal from the EU and President Donald Trump’s policy of bringing manufacturing jobs back to the US. Why is there a rise in protectionism and populism around the world? Why is there so much anxiety about globalization? Four Nobel Prize for Economics laureates make sense of these changes in a rare panel: Joseph Stiglitz, Michael Spence, Edmund Phelps and Christopher Pissarides.