How does adaptive implementation work in practice? Drawing on extensive interviews and observations, this paper contrasts the ways in which an adaptive component of a major health care project was implemented in three program and three matched comparison states in Nigeria. The paper examines the...

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...

Malawi can be understood as a microcosm of institutional reform approaches in developing countries more broadly. A common feature of such approaches, whether implemented by government or donors, is reform initiatives that yield institutions that "look like" those found in higher-performing...