The Great Lockdown: Worst Economic Downturn Since the Great Depression By Gita Gopinath         The world has changed dramatically in the three months since our last update of the World Economic Outlook in January. A rare disaster, a coronavirus pandemic, has resulted in a tragically large number of human lives being lost. As countries implement necessary quarantines and social distancing practices to contain the pandemic, the world has been put in a Great Lockdown. T