transfers and public goods are each integrated into a common optimal tax framework with the income tax and commodity taxes at … the core. Additional topics addressed include a range of dynamic issues, the unit of taxation, tax administration and … enforcement, and tax equity. …

oligopoly. We find that in the short run, i.e. when the number of firms in both markets is exogenous, the results concerning tax … overshifting of both taxes is more likely to occur and is more pronounced under upstream oligopoly. As a result of this, a tax … short run while this is not true for the ad valorem tax in the long run. We show that it is normally more efficient to tax …

A digressive tax like a variable rate sales tax or a tax on price gives firms an incentive for expanding output. Thus …, unlike unit and ad valorem taxes which amplify the harm from monopoly, a digressive tax lessens the harm. We analyse a tax on … price with respect to efficiency and practical policy appeal. Using a tax on price in combination with ad valorem taxation …

A digressive tax such as a variable rate sales tax or a tax on price gives firms an incentive for expanding output …. Thus, unlike unit and ad valorem taxes which amplify the harm from monopoly, a digressive tax lessens the harm. We analyse … a tax on price with respect to efficiency and practical policy appeal. In particular, we show how tax reforms based only …