Assessing Global Potential Output Growth: April 2018

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This note presents our estimates of potential output growth for the global economy through 2020. Overall, we expect global potential output growth to remain broadly stable over the projection horizon, averaging 3.3 per cent, although there is considerable uncertainty surrounding these estimates. There are offsetting dynamics across regions. Specifically, potential output growth is expected to increase in the United States, reflecting a slight rise in capital deepening. In emerging-market economies, potential growth is also projected to strengthen, mainly due to a recovery of investment as well as structural reforms contributing to total factor productivity growth. Population aging and declining labour inputs slow potential output growth in Japan, China and the euro area. Potential output in China also slows due to moderating investment growth.