Previous literature largely ignores the heterogeneity of aid channels used by each single donor country. We estimate Tobit models to assess the relative importance of recipient need, recipient merit and self-interest of donors for various channels of official and private German aid across a...

We assess empirically whether foreign official development assistance (ODA) has been effective in alleviating HIV/AIDS epidemics, which figures prominently among the Millennium Development Goals. We employ a difference-in-difference-in-differences approach to identify the treatment effect of ODA...

The non-distribution constraint of non-governmental organizations (NGOs) would be harder, and financiers as well as recipients could expect more charitable output from them, if less efficient NGOs were squeezed out of international development cooperation. We employ Probit and complementary...