We provide a formula for the tax rate at the top of the Laffer curve as a function of three elasticities. Our formula applies to static models and to steady states of dynamic models. One of the elasticities that enters our formula has been estimated in the elasticity of taxable income...

We assess the consequences of substantially increasing the marginal tax rate on U.S. top earners using a human capital model. We nd that (1) the peak of the model Laer curve occurs at a 52 percent top tax rate, (2) if human capital were exogenous, then the top of the Laer curve would occur at a...