This article empirically investigates whether, and in which ways, donors in the Development Assistance Committee respond to transnational terrorist incidents and the onset of the War on Terror through changes in aid effort and aid allocation. First, an analysis of 22 donor countries shows that...

What determines the foreign aid effort of donor countries? We review the existing literature on donors’ aid budgets and examine which of the suggested variables robustly determine aid effort, measured as Official Development Assistance (ODA) as a share of gross national income. More...

Performance-based aid has been proposed as an alternative to the failed traditional approach whereby donors make aid conditional on the reform promises of recipient countries. However, hardly any empirical evidence exists on whether ex post rewards are effective in inducing reforms. We attempt...