Federal Reserve Bank of San Francisco. "The Ins and Outs of Poverty in Advanced Economies : Poverty Dynamics in Canada, Germany, Great Britain, and the United States, Working Paper 2004-18" in Working Papers (Federal Reserve Bank of San Francisco) (November 8, 2004). https://fraser.stlouisfed.org/title/7038/item/639182, accessed on February 25, 2025.