A widely noticed result by de Crombrugghe and Tulkens (1990) states that asymmetric commodity tax competition always leads to tax rates being too low in both countries, even though there are counteracting tax base and terms of trade effects. This note argues that the result depends crucially on...

We analyze Pareto-efficient tax breaks for work-related expenses in a Mirrleesian environment. Individuals are heterogenous in their ability. In addition to a labor-leisure choice, they decide how to spend their money between normal consumption and work-related goods. We derive an efficiency...