We show that imposition of a state-level environmental tax in a federation crowds out preexisting federal taxes. We explain how this vertical fiscal externality can lead unilateral state-level environmental policy to generate a welfare gain in the implementing state, at the expense of other...

We show that imposition of a state-level environmental tax in a federation crowds out preexisting federal taxes. We explain how this vertical fiscal externality can lead unilateral statelevel environmental policy to generate a welfare gain in the implementing state, at the expense of other...

National authorities are presently not willing to install a supranational authority vested with the competencies required to internalize global environmental externalities. Therefore we adopt a dynamic framework of two economies (i.e. Europe and rest of world) and analyze their strategic...