Throughout American history, the U.S. federal and state governments have imposed excise taxes on commodities such as alcohol and tobacco (and more recently, gasoline and firearms). Rates of such "sin" taxation, and consumption taxation broadly (including sales taxes and value-added taxes), are...

Several recent analyses have suggested that the revenue-maximizing corporate tax rate resides in the low-30's. We challenge this result by re-examining this relationship using a new compilation of changes in corporate tax base definitions for OECD countries between 1980 and 2004. By considering...

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...