Over the past two decades, two trends in tax administration reform have emerged - granting increased autonomy to tax administrations and establishing a unified integrated revenue authority (IRA) charged with administering both tax and customs laws and, in some cases, social security. This paper...

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...