1. “Vertical Redistribution and Horizontal Inequity,”;Lambert;Working Paper No. W95/1,1995
2. “An Extension of Sidgewick’s Equity Principle,”;Johnson;Quarterly Journal of Economics,1962
3. “On the Theory of Tax Reform,”;Feldstein;Journal of Public Economics,1976
4. “A Comparison of Measures of Horizontal Inequity,”;Plotnick;Horizontal Equity, Uncertainty and Economic Well-being,1985
5. “A Methodology for Evaluating Tax Reform Proposals,”;Rosen;Journal of Public Economics,1976