The Political Economy of Aid: Foreign Aid Effectiveness, Theories, Methods and the Challenges that Lie Ahead / Marco Zupi -- Public Procurement, Investment and Aid Effectiveness / Oliver Morrissey -- Procurement and Aid Effectiveness : the Journey so far / Annamaria La Chimia and Peter Trepte --...

Comparing the emigration rates of countries at different stages of economic development, an inverse u-shape emerges. Although merely based on cross-sectional evidence, the “migration hump” is often treated as a causal relationship. Since the peak is located at rather high per capita incomes...

Private sector development (PSD) has taken on an increasingly prominent role in both the debates as well as budgets of international development cooperation in recent years. While the promotion of private sector activities in developing countries has for a long time been part of development...

We examine the impact of geo-referenced World Bank development programs on subnational development using equally sized grid cells with a spatial resolution of 0.5 decimal degrees latitude x longitude as the unit of investigation. The proposed grid cell approach solves a number of endogeneity...

The majority of the world's poor, by income poverty and multi-dimensional poverty, now live in countries officially classified by the World Bank as middle-income countries. Of course nothing happens when a country crosses a (somewhat) arbitrary threshold in per capita income but it does matter...