This report examines how the public-private partnership (PPP) model can be applied to help promote sustainable housing and urban development for countries around the world. The report has two main parts. First, it identifies key opportunities and challenges faced by PPPs in general, and provides PPP best practices and guiding principles adopted by governments at various levels of economic development. Second, it describes global patterns in the most prominent urban PPP sectors followed by case studies that have been adopted and implemented by various governments around the globe. The case studies evaluate the performance of the partnership by analyzing and cross-referencing each against the key ideas and best practices presented in preceding chapters of this report. - from Amzon