In the aftermath of the recent financial crisis, a variety of taxes on financial institutions have been proposed or enacted. These taxes' justifications range from punishing those deemed to have caused or unduly profited from the crisis, to addressing the budgetary costs of the crisis, to better...

It is argued that taxation causes three kinds of deadweight losses and two types of direct costs. The deadweight losses arise from substitution, evasion, and avoidance activities while the direct costs are administrative and compliance costs. Some of these social costs tend to be discontinuous...