Public private investment models, such as public private partnerships (PPPs) and concession models, have become increasingly popular in recent years. These models involve collaboration between the public and private sectors to develop and deliver infrastructure projects, such as roads, bridges, and public buildings. The key characteristic of these models is the sharing of risk and reward between the public and private sectors.
The main advantage of public private investment models is that they allow for the sharing of risk between the public and private sectors. This can be particularly beneficial for large-scale infrastructure projects, which often carry significant financial risks. By sharing the risk, the public sector can reduce its financial exposure, while the private sector can benefit from the potential revenue streams generated by the project.
Types of Public Private Investment Models
There are several types of public private investment models, including concession models and blended finance vehicles. Concession models involve the private sector taking on the responsibility for designing, building, and operating a project, in exchange for a concession fee paid by the public sector. Blended finance vehicles, on the other hand, involve the combination of public and private sector funding to support a project.
A key aspect of public private investment models is risk allocation. This involves identifying and allocating the various risks associated with a project, such as construction riskoperational risk and financial risk. By allocating these risks effectively, the public and private sectors can ensure that each party is responsible for the risks that it is best placed to manage.
Revenue Guarantees and Governance
Revenue guarantees are often used in public private investment models to provide a level of certainty for the private sector. These guarantees can take the form of a minimum revenue guarantee which ensures that the private sector receives a minimum level of revenue from the project. In terms of governance public private investment models typically involve the establishment of a governing board or steering committee which is responsible for overseeing the project and ensuring that it is delivered on time and to budget.
Case Archetypes and Evaluating Project Bankability
When evaluating the bankability of a project, it is essential to consider the creditworthiness of the public sector, as well as the financial viability of the project. This can involve assessing the project’s revenue streamscost structure and cash flow projections. By using a checklist to evaluate these factors, investors and policymakers can determine whether a project is likely to be successful and achieve its intended social impact.
In terms of social impact public private investment models can be used to deliver a wide range of projects, from transport infrastructure to social housing. By using these models, policymakers can ensure that projects are delivered in a way that is financially sustainable and socially responsible. Ultimately, the success of public private investment models depends on the ability of the public and private sectors to work together effectively, sharing risk and reward in a way that benefits both parties.



