This paper shows that under imperfect competition the welfare effects of indirect tax harmonization may depend crucially on whether taxes are levied by the destination or the origin principle. In a standard model of imperfect competition, while harmonization always makes at least one country...

This paper shows that under imperfect competition the welfare effects of indirect tax harmonization may depend crucially on whether taxws are levied by the destination or the origin principle. In a standard model of imperfect competition, while harmonization always makes at least one country...