In this paper, we take up the Index of Donor Performance (IDP) constructed by the Center for Global Development (CGD), especially, discussing issues of selectivity and project proliferation in the IDP index. We argue theoretical issues of the Index from the aspect of the aid data characteristics

In this paper, we take up the Index of Donor Performance (IDP) constructed by the Center for Global Development (CGD), especially, discussing issues of selectivity and project proliferation in the IDP index. We argue theoretical issues of the Index from the aspect of the aid data characteristics.