Policy Research Working Papers The Policy Research Working Paper Series disseminates findings of work in progress to encourage the exchange of ideas about development issues. These are official working papers of the World Bank and are drawn from the World Bank's institutional archives. Each link opens a page with an abstract of the document and several download options. Briefs Short, non-technical summaries of emerging research with links to the full studies. Research Highlights Human development and public service delivery are at the core of the World Bank’s strategy to improve people’s lives and support sustainable development. This research program spans education, health, social protection and labor, as well as governance issues affecting service delivery, and the effectiveness of development assistance. 2008-2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 Publications (by year) Books, Books Chapters, Edited Volumes, Journal Articles, Conferences and Seminars, Data, and Working Papers 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 Knowledge in Development Notes These notes, prepared in 2009 by the Development Research Group, provide background on a wide variety of development issues based on research from inside and outside the World Bank. They ask What works? What doesn't? Why? and What's next? 2009 |