NZ - PPPs: The disadvantages according to a Treasury report

A report published by Treasury in 2009 lists the disadvantages PPPs, including: large tendering and contracting costs, the difficulties of good performance, and the difficulty for the government not to intervene if the provider threatens to go bankrupt...read the report
http://www.treasury.govt.nz/publications/research-policy/ppp/2006/06-02/06.htm#_tocDisadvantages_of_PPPs

 Extract NZ PSA Web page  http://www.psa.org.nz/Home.aspx