1. Benefits of Investing in Water and Sanitation: An OECD Perspective: Executive Summary,2011
2. Infrastructure Productivity: How to Save $1 Trillion a Yearhttps://www.mckinsey.com/~/media/McKinsey/Industries/Capital%20Projects%20and%20Infrastructure/Our%20Insights/Infrastructure%20productivity/MGI%20Infrastructure_Full%20report_Jan%202013.ashx
3. Building Growth in Europe Innovative Financing for Infrastructurehttps://www.chathamhouse.org/sites/files/chathamhouse/field/field_document/20140930EuropeFinancingInfrastructureSubacchiPickfordTentoriHuang.pdf