This paper analyzes the factors that affect countries’ graduation from International Development Association (IDA) assistance and develops a statistical model of graduation. IDA provides concessional financing (credits, grants, and guarantees) to the world’s poorest countries to help reduce...

This paper compiles project-level data from the World Bank's lending history to describe patterns and the composition of its portfolio. The paper focuses particularly on the effect of countries' transition from International Development Association to International Bank for Reconstruction and...