A number of public policy schools across the world have a working papers series, and quite a few of them offer these documents online at no charge. The Harris School of Public Policy at the University of Chicago has offered their working papers on this site for several years now, and visitors with a penchant for national and international policy issues will probably want to make several return visits to this site. Visitors can conduct a full document keyword search or also browse the series by author, date, or subject. Some recent papers of note include "Consumption and Income Poverty for those 65 and Over" and "Food Stamps, Unemployment Insurance, and the Safety Net".