Unlocking the power of public investment is a crucial policy lever for achieving the Sustainable Development Goals. The latest Global Economic Prospects report finds that certain policy interventions can help emerging market and developing economies (EMDEs) boost output by up to 1.6 percent over 5 years by scaling up public investment by 1 percent of GDP. The main question is: What types of policy interventions can help EMDEs utilize the growth benefits of public investment?