The document summarizes research ideas for improving water, sanitation, and hygiene in Haiti that were identified through roundtable discussions with economists, experts, and organizations. The top ideas included reducing dependence on external aid and increasing access to sanitation in urban areas, as well as creating waste treatment centers in rural areas and a web platform for research in the WASH sector. Other ideas focused on setting national WASH targets, maintaining infrastructure, commercializing water services outside cities, and implementing management of water resources through activities like restoring ecosystems and establishing rainwater capture systems.