Guidance 1M. Burnett (2007)
A Decision Maker’s Guide
A chapter of this guide develops a detailed operational approach to PPP audits
Guidance 3US Dept. of Transportation (2007)
Case Studies of Transportation Public-Private-Partnerships in the United States
An example of PPP review in the transport sector using case studies in the US and other countries
Once responsibilities have been assigned and the aim of the ex post evaluation study has been defined, it will be necessary to decide which analytical framework will be most appropriate for achieving the aims of the study. Guidance 1 This implies defining:
the evaluation criteria and expected outcomes of the project; and
the appropriate alternative (i.e. what would have happened if the project had not been implemented as a PPP?).
A well-designed PPP contract should provide for sufficient information, collected during the monitoring phase, to support this evaluation exercise.
PPP projects will normally be defined in terms of value for money. This implies identifying both the benefits derived from project outputs and the cost of delivering those outputs (benefits and costs being both monetary and in terms of timing). However, more qualitative benefits and costs, such as service quality, contract design and risk allocation, also need to be considered in the evaluation.
In addition to examining the benefits and costs, the evaluation may seek to identify which alternatives should have been looked at. These can be alternative procurement models to PPPs or different project delivery and implementation procedures. Guidance 2, 3