We develop a theory of commodity taxation featuring imperfect competition along with love-of-variety preferences and endogenous firm entry and exit, and we derive new formulas for the efficiency and pass-through of specific and ad valorem taxes. These formulas unify existing canonical ones and...

This paper analyzes the evolution of tax progressivity in Sweden from both annual and lifetime perspectives. Using a rich micro panel with administrative records of incomes, taxes and benefits over the period 1968–2009, we calculate tax rates across the income distribution accounting for...