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

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