We highlight and explain eight lessons from optimal tax theory and compare them to the last few decades of OECD tax policy. As recommended by theory, top marginal income tax rates have declined, marginal income tax schedules have flattened, redistribution has risen with income inequality, and...

Household investors chase stock market returns. Surveys suggest that households intend to "ride the bubble" by buying stocks early in a boom and selling stocks early in a bust. This implies that households use only liquid assets to chase returns. I test this prediction using inflows to fixed...

The consequences of banning affirmative action depend on schools' ability and willingness to avoid it. This paper uses rich application-level data to estimate the effect of the 1996 University of California affirmative action ban---the first and largest ban---on black admission advantages at UC...

The optimal design of a tax system is a topic that has long fascinated economic theorists and flummoxed economic policymakers. This paper explores the interplay between tax theory and tax policy. It identifies key lessons policymakers might take from the academic literature on how taxes ought to...

In Project STAR, 11,571 students in Tennessee and their teachers were randomly assigned to classrooms within their schools from kindergarten to third grade. This paper evaluates the long-term impacts of STAR by linking the experimental data to administrative records. We first demonstrate that...

Policymakers frequently propose to use capital tax reform to stimulate investment and increase labor earnings. This paper tests for such real impacts of the 2003 dividend tax cut—one of the largest reforms ever to a U.S. capital tax rate—using a quasi-experimental design and a large sample...

In Project STAR, 11,571 students in Tennessee and their teachers were randomly assigned to classrooms within their schools from kindergarten to third grade. This article evaluates the long-term impacts of STAR by linking the experimental data to administrative records. We first demonstrate that...

We highlight and explain eight lessons from optimal tax theory and compare them to the last few decades of OECD tax policy. As recommended by theory, top marginal income tax rates have declined, marginal income tax schedules have flattened, redistribution has risen with income inequality, and...