Policy analysts are accustomed to thinking in terms of tools and instruments. Yet an authoritative examination of the tools which have been developed to formulate new policies is missing. This book is the first of its kind to distinguish the defining characteristics of the main policy...

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...