Ex-post impact evaluation method for public-private partnership projects from the perspective of multiple stakeholders

Abstract

Public-Private Partnership (PPP) model of procurement is a way to deliver public infrastructure using private funding and managing risk for public purposes. Currently, PPPs have been criticised in the media, social media and in the academic literature, notably regarding their limited contribution to real public welfare. The arguments are related to (1) the amount of profit that is conferred to the private entity, (2) the long-term implications for the public sector in term of service payments, (3) the quality of the service which can be driven by cost reduction goals; among others. From a taxpayer’s point of view, the impact of PPP projects, like any kind of public investment, should be ass..