This working paper has been prepared within the UNU-WIDER project 'Foreign Aid': Research and This paper confronts three conundrums. First, does the relationship between aid and growth fade over time when aid is successful? Second, why are aid inflows neglected in the literature on growth...

In this paper, the author focuses on the nonlinear nature of the aid to growth relationship to show that the “Big Push” hypothesis is consistent with capacity constraints in the understanding of aid effectiveness. The Big Push hypothesis proposes the existence of one threshold below which...