• Papers on Inequality & Economic Performance (McArthur Net)
• NBER Macro papers
• The Information Economy 
• UNDP Poverty Intitiatives
• U Texas Inequality Project

• Institute for Research on Poverty (IRP)
• Network on Inequality and Social Interactions
• Effects of Inequality on Econ. Performance (Berkeley)
• Network on Poverty and Inequality in Latin America
• Ethics Updates Discussion Forum

• Denninger-Squire (World Bank)
• World Income Inequality Database (UNU/WIDER-UNDP)
• Luxemboug Income Project
• U Texas Inequality Project Theil indices 
• PSID (U.S. micro data)
• GDN Growth Database
• Living Standards Measurement
• NBER data
• Penn World Tables 5.6
• CIA World Fact Book
• other World data

• Income Distribution and Macroeconomics (4/00)
• Search and Matching Models of the Distribution of Income (8/00)

Organizations:

• UNDP     UNDP/UNU World Income Inequality Project 
• IMF
• World Bank
• OECD   (DC)
• Fed BOG           CEA
• Brookings

• Philippe Aghion
• Ken Arrow
• Pranab Bardhan
• Roland Benabou
• Sam Bowles
• Steve Durlauf
• Herb Gintis
• Danny Quah 
• John Roemer

• The Economist
• The Economic Report of the President 1999

• Bill Goffe's Economics Resources page
• John Kane's Economics Resources page