The OECD cut its full-year growth estimate to just 2.4% from 2.9%.
But the ECB has elected not to reduce interest rates in the face of the outbreak.
To avoid global financial calamity, governments have to make major policy adjustments and change how they invest.
Powell reiterated language suggesting that the Fed will lower interest rates this summer.
Central bankers argue that political leaders need to do more to help shore up the global economy.
Growth expectations are falling thanks to an escalating trade dispute between the U.S. and China.
Millennials are struggling to join the middle-class cohort.
Growth this year could be even slower than currently anticipated, this indicator says.
They are needed, the agency says, because central banks have nothing left in the tank.