| Global | OBA Training for the Agence Française de Développement (AFD) | February 2010 |
| Global | A study on the targeting performance of OBA access subsidies | February 2010 |
| Global | OBA Training for the European Investment Bank (EIB) and its African Infrastructure Trust Fund | February 2010 |
| Global | OBA Training for the African Development Bank (AfDB) | February 2010 |
| Global | Investment financing for infrastructure leading to climate change mitigation and adaptation | March 2010 |
| Global | Dissemination of guidance publication on development of OBA Facilities | March 2010 |
| Global | OBA in Road Network Management and Maintenance | March 2004 |
| Global | Africa Electrification Initiative ESMAP-GPOBA-PPIAF | December 2011 |
| Global | Lighting Africa Market Development and Quality Assurance | November 2011 |
| Global | Clean Cooking Initiative for Africa | August 2012 |
| Global | Improving Municipal Solid Waste Management Through Results-Based Financing (RBF) or Output-Based Aid (OBA) projects | November 2012 |
| Global | Asia Pacific ICT Development | February 2005 |
| Global | Using OBA for sustainable sanitation | October 2009 |
| Global | REGULATEL Study on ICT OBAs in LAC | January 2006 |
| Global | OBA Supplemental Review - IDA/IFC | September 2008 |
| Global | Designing OBA Where There is an Incumbent Supplier | May 2003 |
| Global | Fiscal Support for OBA Projects | November 2003 |
| Global | Monitoring and Evaluation of OBA projects | January 2006 |
| Global | Regulation of water and sanitation services: getting better service to poor people | February 2006 |
| Global | Guidance Publication on Development of OBA Facilities | June 2009 |
| Global | OBA Review publication and dissemination | August 2009 |
| Global | Development of Draft Terms of Reference (TOR) | August 2009 |
| Global | OBA Training for DFID/PIDG Facilities | January 2010 |
| Global | Seminar on Financing Water Supply Services for the Poor | February 2010 |
| Global | GPOBA Perception Survey | February 2010 |