This report provides actionable advice on how to design and implement fiscal policies for both development and climate action. Building on more than two decades of research in development and environmental economics, it argues that well-designed environmental tax reforms are especially valuable...

Changing population age structures are shaping the trajectories of development in many countries, bringing opportunities and challenges. While aging has been a matter of concern for upper-middle and high-income economies, rapid population growth is set to continue in the poorest countries over...

There is growing evidence that appropriate financial services have substantial benefits for consumers, especially women and poor adults. This paper provides an overview of financial inclusion around the world and reviews the recent empirical evidence on how the use of financial products-such as...

This report provides the first historic overview of power system development focused on its evolution from distributed systems to centralized grid systems. It tracks the early development of power systems in several (now) middle- and high-income economies to inform the current drive to deploy...

Demographic change can be a positive contributor to development at any stage of demographic transition. This paper revisits the literature on the determinants and economic impacts of demographic change, and presents a new global typology that classifies countries into four categories based on...