Tradable black (CO2) and green (renewables) quotas gain in popularity and stringency within climate policies of many OECD countries. The overlapping regulation through both instruments, however, may have important adverse economic implications. Based on stylized theoretical analysis and...

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...

Klimaschutz stellt aus Sicht der ökonomischen Theorie ein rein öffentliches Gut dar. Internationale Kooperation zum Zweck der Milderung oder Verhinderung der globalen Erwärmung ist daher mit den bekannten fatalen Anreizproblemen behaftet: Auf der Basis freiwilliger, dezentraler Entscheidungen...

Unilateral climate policy induces carbon leakage through the relocation of emission-intensive and trade-exposed industries to regions with no or more lenient emission regulation. Both analytical and numerical studies suggest that emission pricing combined with border carbon adjustments may be a...