A. The sole convincing argument for a public private partnership delivery is that it offers the potential for government to secure better value for money and greater innovation in the delivery of services. To determine whether the public private partnership delivery option is likely to deliver a value for money outcome, the public sector comparator must be a robust and defensible estimate of the cost to government of providing the services through a traditional means of procurement. Having said this, it should be kept in mind that risk quantification is a subjective element of the public sector comparator.