Developed countries give money to international organisations such as the World Bank who then redistribute money in the form of loans to developing countries
How does it attempt to reduce uneven development?
This aid funds top-down projects, most commonly from the World Bank and the United Nations. These international organisations are in control of the spending and implementation of the project funded.
Evaluation
the funding bi-passes the government - suitable for corrupt countries
there is a more complex transfer of money as it is passed through more stakeholders increasing the likelihood of it being wasted or lost account of