The typical identification strategy in aid effectiveness studies assumes donor motives do not influence the impact of aid on growth. We call this homogeneity assumption into question, first constructing a model in which donor motives matter and then testing the assumption empirically.

This case study examines to what extent Bolivia has been able to achieve pro-poor growth, what the mechanisms of achieving (or failing to achieve) pro-poor growth have been, and what options are available to ensure higher rates of pro-poor growth. The analysis focuses on the period from 1989 to...