What major insights have emerged from development economics in the past decade, and how do they matter for the World Bank? This challenging question was recently posed by World Bank Group President David Malpass to the staff of the Development Research Group. This paper assembles a set of 13...

This paper presents a review of studies that estimate the cost of achieving the Sustainable Development Goals. Although the Sustainable Development Goals provide useful benchmarks for fiscal authorities and donors, typical cross-country costing exercises can be misleading, for a variety of...

This study investigates the World Bank's use of lending and non-lending instruments to affect the policy priorities of developing countries. In a typical year, the World Bank lends more than USD 30 billion to its client countries. It also spends approximately USD 200 million on the provision of...

Many development policies, such as placement of infrastructure or local economic development schemes, are "place-based." Such policies are generally intended to stimulate private sector investment and economic growth in the treated place, and as such they are difficult to appraise and evaluate....

"Shared prosperity" has become a common phrase in the development policy discourse. This short paper provides its most widely used operational definition-the growth rate in the average income of the poorest 40 percent of a country's population-and describes its origins. The paper discusses how...

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...

Two decades after its original publication, The Analysis of Household Surveys is reissued with a new preface by its author, Sir Angus Deaton, recipient of the 2015 Nobel Prize in Economic Sciences. This classic work remains relevant to anyone with a serious interest in using household survey...

We revisit the relevance of the World Bank's Country Policy and Institutional Assessment (CPIA)against growth performance, with attention to possible biases arising from qualitative andquantitative changes in the CPIA methodology. The CPIA, introduced in the late 1970s, had aseries of extensive...