Applying a framework of perfect competition under uncertainty, we contribute to the discussion of whether or not ad valorem taxes and specific taxes are equivalent. While this equivalence holds without price uncertainty, we show that ad valorem taxes and specific taxes are “almost never”...

The basic deterrence model of tax evasion is described, its main predictions are derived and limitations and flexibility are outlined. Further, the model is interpreted in light of some key institutional features characterising tax enforcement in OECD countries. Throughout the survey, findings...