This article views the new public management (NPM) as a prime example of th
e sour laws of unintended consequences in action. Section I places the UK i
n international context by arguing there is no such thing as NPM and sugges
ting recent public sector reforms vary along six dimensions: privatisation,
marketisation, corporate management, regulation, decentralisation and poli
tical control. Section 2 updates the UK story by describing developments un
der New Labour Section 3 identifies the unintended consequences of reform:
fragmentation, steering, accountability, co-ordination, and public service
ethics. Section 4 argues the conventional story of public sector reform as
marketization and corporate management omits significant changes. British g
overnment differentiated its service delivery systems and now employs at le
ast three governing structures: bureaucracy, markets and networks. The fina
l section discusses whether British experience is different I argue a satis
factory explanation of the differences must include an analysis of governme
ntal traditions that make public sector reform distinctive everywhere.