Unintended consequences for individuals and groups -- Unintended consequences, complex peace operations and peacebuilding systems / Chiyuki Aoi, Cedric de Coning and Ramesh Thakur -- The unintended consequences of peace operations on Timor Leste from a gender perspective / Shukuko Koyama and Henri Myrttinen -- Protecting civilians from UN peacekeepers and humanitarian workers: sexual exploitation and abuse / Vanessa Kent -- Host economies, humanitarian action and civil--military coordination -- The unintended consequences of peace operations on the host economy from a people's perspective / Katarina Ammitzbøll -- The unintended consequences of peace operations on humanitarian action / Shin-wha Lee -- The unintended consequences of civil--military cooperation in peace operations / Stuart Gordon -- Troop-contributing countries -- The unintended consequences of peace operations for troop-contributing countries from West Africa: the case of Ghana / Kwesi Aning -- The unintended consequences of United Nations peace operations for troop-contributing countries from South Asia / C.S.R. Murthy -- The unintended consequences of peace operations for troop-contributing countries in South America: the case of Argentina and Uruguay / Arturo C. Sotomayor -- Accountability -- The accountability of personnel associated with peacekeeping operations / Franoise J. Hampson and Ai Kihara-Hunt -- A beacon of light in the dark? The United Nations' experience with peace operations ombudspersons as illustrated by the ombudsperson institution in Kosovo / Florian F. Hoffmann -- The vicarious responsibility of the United Nations / Frédéric Mégret -- Conclusion: can unintended consequences be prevented, contained and managed? / Chiyuki Aoi, Cedric de Coning and Ramesh Thakur.