Risk Allocation and Sharing: The Core Proposition of Global PPP Infrastructure Financing

The global infrastructure delivery model is undergoing a quiet yet profound transformation. Constraints on public budgets, the advance of urbanization, and the deepening of capital markets have meant that the public sector no longer undertakes the construction and operation of large-scale projects on its own. Instead, it increasingly leverages Public-Private Partnerships (PPP) to bring in private capital, professional expertise, and operational efficiency. However, PPP has never been a mere financing tool; it is, in essence, a cross-cycle risk governance structure. Who bears the planning risk? Who absorbs construction cost overruns? Who provides the safety net when demand falls short? Who absorbs price fluctuations during the operational phase? The way these questions are answered determines whether a project can be delivered at a reasonable cost of capital and whether public finance truly achieves Value for Money (VfM).