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Funding, competition and the efficiency of NGOs : an empirical analysis of non-charitable expenditure of US NGOs engaged in foreign aid
Nunnenkamp, Peter, (2010)
Beyond charity : U.S. voluntary aid for a changing Third World
Sommer, John G., (1977)
Donations to US Based NGOs in International Development Cooperation : How (Un-)Informed are Private Donors?
Nunnenkamp, Peter, (2013)
Why it Pays for Aid Recipients to Take Note of the Millennium Challenge Corporation : Other Donors Do!
Dreher, Axel, (2012)
Does Conditionality Work? A Test for an Innovative US Aid Scheme
Öhler, Hannes, (2011)