Although many studies indicate that both the level and composition of public spending are significant for economic growth, the results in the empirical literature are still mixed. This paper studies the importance of country sample selection and expenditure classification in explaining these...

This paper presents a small-scale intertemporal model of endogenous growth that accounts for the composition of public expenditure and externalities associated with public capital. Government spending is disaggregated into various components, including maintenance, security, and investment in...

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...

Developing countries face a host of macroeconomic challenges in the design and implementation of development strategies and policies. The importance of the underlying poverty and distributional issues creates a need for relevant and reliable ways of tracking the social impact of shocks and...

Microfinance is generally seen as a way to fix credit markets and unleash the productive capacities of poor people who are dependent on self-employment. The microfinance sector has grown quickly since the 1990s, paving the way for other forms of social enterprise and social investment. But...

This paper describes a new index of the quality of the business environment for microfinance institutions (the Global Microscope on the Microfinance Business Environment). Regressions are used to validate the index by linking it and its subcomponents to microfinance outcomes. The main findings...