Based on product homogeneity and Cournot competition, past literature has uniformly shown that ad valorem taxation welfare dominates unit taxation in noncompetitive markets. This paper allows goods in a market to be heterogeneous and firms to be Bertrand competing. We confirm the short-run...

This article evaluates the Social Security outcomes for different racial and education groups. Outcomes differ across groups due to the interactions between group-specific mortality risks and lifetime earnings, the benefit formula, and the benefit package, which includes life insurance, spousal...

In this article, we generalize the existing descriptive approach to multigeneration public project evaluation, taking into account distortionary taxes on capital income. In contrast to conventional wisdom, we show that such generalization does not require a project-specific social discount rate...

Federal discount rate policies advocate both a high rate representing the marginal productivity of capital and a low rate representing the government borrowing rate. These differential discount rate policies could be inconsistent and biased in favor of projects on which the lower discount rate...