Collier, P.

Collier, P. & Dollar, D., 2000. Can the world cut poverty in half? : how policy reform and effective aid can meet the international development goals, (Policy research working paper series / World Bank no. 2403) Washington, DC, USA: World Bank. Available at: https://nl.ircwash.org/sites/default/files/Collier-2000-Can.pdf.