The demographic transition in the Sahel region has been slower than that in the rest of the world. Although child mortality rates have declined in recent decades, they are still higher in West Africa than in other regions. Furthermore, the fertility decline has progressed very slowly, with some...

These two addresses to the National Leaders' Seminar on Population and Development in Nairobi and to the International Population Conference in Mexico City in 1984 concern the urgent and important problem of fast population growth. Rapid population growth slows development, with the poor being...

The Global Monitoring Report 2015/2016: Development Goals in an Era of Demographic Change details the progress toward the global development goals and examines the impact of demographic change on achieving these goals. Part I examines global development progress, the unfinished development...

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...

A large literature documents the positive influence of a city's skill structure on its rate of economic growth. By contrast, the effect of a city's age structure on its economic growth has been a hitherto largely neglected area of research. This paper hypothesizes that cities with more...

This paper proposes a quantitative model of firm dynamics with endogenous innovation to study growth acceleration episodes triggered by reforms. The authors find that reforms removing barriers to firm entry lead to persistent growth in TFP and declining average firm size, as in the experience of...

This study seeks to understand how materials scarcity and competition from alternative uses affects the potential for widespread deployment of solar electricity in the long run, in light of related technology and policy uncertainties. Simulation results of a computable partial equilibrium model...

This study collects data on the sophistication of technologies used at the business function level for a representative sample of firms in Vietnam, Senegal, and the Brazilian state of Ceara. The analysis finds a large variance in technology sophistication across the business functions of a firm....

Productivity has again moved to center stage in two critical academic and policy debates: the slowing of global growth amid spectacular technological advances, and developing countries' frustratingly slow progress in catching up to the technological frontier. Productivity Revisitedbrings...

This handbook has been developed to provide instruction on the design and implementation of incentives for resource-efficiency purposes. The target audience is World Bank staff and stakeholders who are supporting the implementation of a resource-efficiency program in a country on behalf of the...