求英文文献3篇，请达人帮忙，谢谢！

第1篇题目：United States Inequality through the Prisms of Income and Consumption

作者：Johnson, D.S., T.M. Smeeding and B.R.Torrey

期刊：Monthly Labor Review

时间：(2005), 11-24, April.

第2篇题目：Measuring the Trends in Inequality of Individuals and Families: Income and Consumption

作者：Johnson, D. and T. Smeeding (1998)

mimeo, Bureau of Labor Statistics.

第3篇题目：Recent Trends in Economic Inequality in the United States: Income versus Expenditures versus Well-Being

作者：Mayer, S. and C. Jencks (1993)

专著：in D. Papadimitriou and E. Wolff (eds.), Poverty and Prosperity in the USA in the Late Twentieth Century, St. Martin’s

Press,New York.