Water and sanitation sectors have been the 'natural' subjects of aid for several decades. However, these sectors also were among those most affected by changes in aid approaches and tools. The aim of this paper is to capture some of the complexity in assessing impact and effectiveness of aid in...

Horizontal inequality by ethnic group has remained remarkably persistent for wealth, education, and access to certain services in Nigeria. While significant gains in the reduction of inequality and improvement in access have been made for more locally administered services, outcomes are stickier...

Economic research on labour migration in the developing world has traditionally focused on the role played by the remittances of overseas migrant labour in the sending country's economy. Recently, due in no small part to the availability of rich microdata, more attention has been paid to the...

This paper explores the current evidence underlying the debate on aid effectiveness, with a specific focus on the health sector. It summarizes the history of aid and outlines the methodological challenges encountered when assessing its effectiveness. The current evidence on 'what works' in the...

Many concerns can be raised about the effectiveness of current aid programmes to developing countries. The appropriateness of aid is particularly questionable when one considers the likely character of the challenges that the global economy will confront in 2025, as suggested by alternative...