There are a number of important challenges in effectively evaluating public-private collaborations. First, a thorough evaluation and quantification of collaboration outcomes is seldom undertaken. While collaboration success stories are shared, critical analysis of collaboration outcomes is often not available. Given the potential costs associated with collaborations, a more systematic process for monitoring and evaluating collaboration outcomes may be to the advantage of all partners.
Second, while the governance approach and design of collaborations is one of the most critical components of success, details related to the structure and implementation process of collaborations are rarely given strong attention. Sharing learning about governance and design of initiatives can help other collaborations learn from past experiences, including challenges and failures.
Third, further analysis is required on the long-term impacts of public-private collaboration for achieving different types of green growth objectives. This should consider not only the three areas addressed in this chapter – innovation, natural resource management, and infrastructure, but also the impact of public-private collaboration in advancing resource efficiency, transparency, and disclosure.
Fourth, additional research is warranted to examine effective approaches for combining public-private collaboration with government led policies and programs in enabling private sector leadership and investment. Determining the roles for collaboration relative to this broader government policy portfolio, and the conditions under which public private collaboration can best reinforce these other measures, will help governments determine when and how to pursue partnerships with the private sector.