Several U.S. states have attempted to use of legal liability imposed on greenhouse gas emitters as a public policy instrument for climate change. This brief comment considers the desirability of this approach, focusing on three possible roles for climate change liability: as a source of...

That climate policies are costly is evident and therefore often creates major fears. But the alternative (no action) also has a cost. Mitigation costs and damages incurred depend on what the climate policies are; moreover, they are substitutes. This brings climate policies naturally in the realm...

Across the globe climate policy is shifting away from a carbon price towards investment subsidies, such as grants, interest-subsidised loans or guarantees. This increases the risk of inefficient public spending. This paper shows how the main market imperfections related to the emission...