This paper examines the efficiency gains from linking marginal Social Security benefits to marginal Social Security payroll taxes. In the U.S. the current combined employer-employee OASI payroll tax rate is 10.4 percent. Recent estimates suggest that the average marginal income tax rate is...

This paper presents a new simulation methodology for determining the pure efficiency gains from tax reform along the general. equilibrium rational expectations growth path of life cycle economies. The principal findings concern the effects of switching from a proportional income tax with rates...

In a recent article in this Journal, Robin Boadway has argued that the appropriate requirement for neutrality is that the present value of the returns from an initial investment of [1pound], using the social discount rate, should be equal for all projects undertaken at the margin. We have few...