One of the paradoxes of the shift towards markets in health and social
care has been the renewed emphasis upon more effective collaboration
between the professionals and agencies involved. This has led to a sea
rch for ways of developing a range of joint ventures such as informati
on sharing, joint community care planning and joint assessment of need
s. However, the most ambitious collaborative vehicle is the emergence
of joint commissioning between health and social care and possibly add
itional agencies. This article explores the background to the developm
ent of joint commissioning and the nature of joint commissioning, and
examines some of the obstacles which will need to sioning ventures are
to succeed. It concludes that joint commissioning is more than a mere
ly 'technical' purchasing activity, and that the political dimensions
also need to be confronted.