This is how my heroe, President Paul Kagame from Rwanda distinguishes good aid from bad aid:

Good aid, if you will, is assistance with a purpose – the purpose to support a countries’ development in their own terms, for the benefit of many not the few. In contrast, bad aid is often tied to vested interests and does little to promote real development.

Read more at http://www.newtimes.co.rw/index.php?issue=13909&article=16074