We examine the evolution of infrastructure, and the impact of infrastructure investment, in middleincome countries (MICs). We document how different types of infrastructure stocks, as well as infrastructure investment, vary with the level of development and growth performance. We then use the...

There are significant income and nonincome development gaps around the world. Closing these gaps will require not only increasing and sustaining economic growth in low-income regions, but also policies that close nonincome development gaps directly. Governments need to support private investment...