Public-private partnership to deliver infrastructure

Public Private Partnerships (PPP) arrangements promise much. The best projects have delivered better public infrastructure sooner and more cheaply. The unsuccessful projects show there are risks. He provides a high level briefing that captures the essentials and allows for an initial decision about PPPs.

The session begins by defining PPPs and explaining typical arrangements and some common variants. It discusses the principles upon which PPPs are based and describes the breadth of international experience. The critical advice provided concerns the type of projects where PPPs are best applied, the method by which they are best applied and the method by which the decision to use PPPs are best made.

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Detailed notes will be available to participants throughout the session. Future webinars over following weeks deal with the detail needed to assess individual PPP proposals. The second webinar examines the international evidence, using case studies and meta-studies. The third analyses the method to make a PPP decision in particular cases.

Dr Chapman’s research team neither advocate for nor against PPPs. Instead the briefing distils the major lessons and principles demonstrated by international experience. It describes the kinds of infrastructure and types of arrangements where PPPs work best.


It is well understood that one critical matter in assessing PPP is that of risk transfer. The core issues are discussed. The key message is that detailed, case-by-case assessments are needed. The steps to take in performing such an assessment are summarised, with later webinars in the series dealing with the matter in more detail.

The webinar concludes with an overview to restate the key points, followed by a question and answer session. The take home messages are that, in principle, PPPs can provide significant benefits; in practice, there are risks and proposals must be assessed on a case-by-case basis.

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